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Items: 1 to 50 of 88

1.

A foodborne outbreak due to Cryptosporidium parvum in Helsinki, November 2008.

Pönka A, Kotilainen H, Rimhanen-Finne R, Hokkanen P, Hänninen ML, Kaarna A, Meri T, Kuusi M.

Euro Surveill. 2009 Jul 16;14(28). pii: 19269.

2.

Wading pool water contaminated with both noroviruses and astroviruses as the source of a gastroenteritis outbreak.

Maunula L, Kalso S, Von Bonsdorff CH, Pönkä A.

Epidemiol Infect. 2004 Aug;132(4):737-43.

3.
4.

Outbreak oof calicivirus gastroenteritis associated with eating frozen raspberries.

Ponka A, Maunula L, Von Bonsdorff CH, Lyytikainen O.

Euro Surveill. 1999 Jun;4(6):66-69.

PMID:
12631898
5.

Effect of long-term consumption of a probiotic bacterium, Lactobacillus rhamnosus GG, in milk on dental caries and caries risk in children.

Näse L, Hatakka K, Savilahti E, Saxelin M, Pönkä A, Poussa T, Korpela R, Meurman JH.

Caries Res. 2001 Nov-Dec;35(6):412-20.

PMID:
11799281
6.

Increased incidence of cancer and asthma in houses built on a former dump area.

Pukkala E, Pönkä A.

Environ Health Perspect. 2001 Nov;109(11):1121-5.

7.

Effect of long term consumption of probiotic milk on infections in children attending day care centres: double blind, randomised trial.

Hatakka K, Savilahti E, Pönkä A, Meurman JH, Poussa T, Näse L, Saxelin M, Korpela R.

BMJ. 2001 Jun 2;322(7298):1327.

8.

An outbreak of calicivirus associated with consumption of frozen raspberries.

Pönkä A, Maunula L, von Bonsdorff CH, Lyytikäinen O.

Epidemiol Infect. 1999 Dec;123(3):469-74.

9.

Recommendations for the monitoring of short-term health effects of air pollution: lessons from the APHEA Multi Centre European Study.

Anderson HR, Quénel P, Katsouyanni K, Zanobetti A, Sunyer J, Schouten JP, Wojtyniak B, Zmirou D, Bacharova L, Pönka A, Wichmann HE.

Zentralbl Hyg Umweltmed. 1999 Dec;202(6):471-88.

PMID:
10631789
10.

Insensitivity of the routine dimethylglyoxime test for detecting release of nickel from earrings.

Pönkä A, Ekman A.

Sci Total Environ. 1998 Dec 11;224(1-3):161-5.

PMID:
9926431
11.

Lead in the ambient air and blood of children in Helsinki.

Pönkä A.

Sci Total Environ. 1998 Aug 12;219(1):1-5.

PMID:
9770320
12.

Time-series analysis of air pollution and cause-specific mortality.

Zmirou D, Schwartz J, Saez M, Zanobetti A, Wojtyniak B, Touloumi G, Spix C, Ponce de León A, Le Moullec Y, Bacharova L, Schouten J, Pönkä A, Katsouyanni K.

Epidemiology. 1998 Sep;9(5):495-503.

PMID:
9730027
13.

Mortality and air pollution in Helsinki.

Pönkä A, Savela M, Virtanen M.

Arch Environ Health. 1998 Jul-Aug;53(4):281-6.

PMID:
9709992
14.

Short-term effects of air pollution on hospital admissions of respiratory diseases in Europe: a quantitative summary of APHEA study results. Air Pollution and Health: a European Approach.

Spix C, Anderson HR, Schwartz J, Vigotti MA, LeTertre A, Vonk JM, Touloumi G, Balducci F, Piekarski T, Bacharova L, Tobias A, Pönkä A, Katsouyanni K.

Arch Environ Health. 1998 Jan-Feb;53(1):54-64.

PMID:
9570309
15.

Urban air pollution and emergency admissions for asthma in four European cities: the APHEA Project.

Sunyer J, Spix C, Quénel P, Ponce-de-León A, Pönka A, Barumandzadeh T, Touloumi G, Bacharova L, Wojtyniak B, Vonk J, Bisanti L, Schwartz J, Katsouyanni K.

Thorax. 1997 Sep;52(9):760-5.

16.

Short-term effects of ambient oxidant exposure on mortality: a combined analysis within the APHEA project. Air Pollution and Health: a European Approach.

Touloumi G, Katsouyanni K, Zmirou D, Schwartz J, Spix C, de Leon AP, Tobias A, Quennel P, Rabczenko D, Bacharova L, Bisanti L, Vonk JM, Ponka A.

Am J Epidemiol. 1997 Jul 15;146(2):177-85.

PMID:
9230780
17.

Short-term effects of ambient sulphur dioxide and particulate matter on mortality in 12 European cities: results from time series data from the APHEA project. Air Pollution and Health: a European Approach.

Katsouyanni K, Touloumi G, Spix C, Schwartz J, Balducci F, Medina S, Rossi G, Wojtyniak B, Sunyer J, Bacharova L, Schouten JP, Ponka A, Anderson HR.

BMJ. 1997 Jun 7;314(7095):1658-63.

18.

Air pollution and daily admissions for chronic obstructive pulmonary disease in 6 European cities: results from the APHEA project.

Anderson HR, Spix C, Medina S, Schouten JP, Castellsague J, Rossi G, Zmirou D, Touloumi G, Wojtyniak B, Ponka A, Bacharova L, Schwartz J, Katsouyanni K.

Eur Respir J. 1997 May;10(5):1064-71.

19.

An international outbreak of Salmonella infections caused by alfalfa sprouts grown from contaminated seeds.

Mahon BE, Pönkä A, Hall WN, Komatsu K, Dietrich SE, Siitonen A, Cage G, Hayes PS, Lambert-Fair MA, Bean NH, Griffin PM, Slutsker L.

J Infect Dis. 1997 Apr;175(4):876-82.

PMID:
9086144
20.

Short-term effects of air pollution on health: a European approach using epidemiologic time series data. The APHEA Project. Air Pollution Health Effects--A European Approach.

Katsouyanni K, Zmirou D, Spix C, Sunyer J, Schouten JP, Ponka A, Anderson HR, Le Moullec Y, Wojtyniak B, Vigotti MA, Bacharova L, Schwartz J.

Public Health Rev. 1997;25(1):7-18; discussion 19-28. No abstract available.

PMID:
9170962
21.
22.

Asthma and ambient air pollution in Helsinki.

Pönkä A, Virtanen M.

J Epidemiol Community Health. 1996 Apr;50 Suppl 1:s59-62.

23.

Short term effects of air pollution on health: a European approach using epidemiologic time series data: the APHEA protocol.

Katsouyanni K, Schwartz J, Spix C, Touloumi G, Zmirou D, Zanobetti A, Wojtyniak B, Vonk JM, Tobias A, Pönkä A, Medina S, Bachárová L, Anderson HR.

J Epidemiol Community Health. 1996 Apr;50 Suppl 1:S12-8.

24.

Methodological issues in studies of air pollution and daily counts of deaths or hospital admissions.

Schwartz J, Spix C, Touloumi G, Bachárová L, Barumamdzadeh T, le Tertre A, Piekarksi T, Ponce de Leon A, Pönkä A, Rossi G, Saez M, Schouten JP.

J Epidemiol Community Health. 1996 Apr;50 Suppl 1:S3-11.

25.

Short-term effects of air pollution on health: a European approach using epidemiological time-series data. The APHEA project: background, objectives, design.

Katsouyanni K, Zmirou D, Spix C, Sunyer J, Schouten JP, Pönkä A, Anderson HR, Le Moullec Y, Wojtyniak B, Vigotti MA, et al.

Eur Respir J. 1995 Jun;8(6):1030-8.

26.

Salmonella in alfalfa sprouts.

Pönkä A, Andersson Y, Siitonen A, de Jong B, Jahkola M, Haikala O, Kuhmonen A, Pakkala P.

Lancet. 1995 Feb 18;345(8947):462-3. No abstract available.

PMID:
7853988
27.
28.
29.

Chronic bronchitis, emphysema, and low-level air pollution in Helsinki, 1987-1989.

Pönkä A, Virtanen M.

Environ Res. 1994 May;65(2):207-17.

PMID:
8187737
30.

[Free living amebas in whirlpools and swimming pools--a risk for contact lens users].

Kalso S, Jokipii L, Warhurst D, Vesaluoma M, Pönkä A, Tervo T.

Duodecim. 1994;110(13):1256-61. Finnish. No abstract available.

PMID:
7497936
31.

Lead in the ambient air and blood specimens of children in Helsinki.

Pönkä A, Salminen E, Ahonen S.

Sci Total Environ. 1993 Sep 30;138(1-3):301-8.

PMID:
7505059
32.

Immune response to inactivated influenza virus vaccine: antibody reactivity with epidemic influenza B viruses of two highly distinct evolutionary lineages.

Pyhälä R, Kleemola M, Kumpulainen V, Vartiainen E, Lappi S, Pönkä A, Cantell K.

Vaccine. 1992;10(9):631-6.

PMID:
1502842
33.

Asthma and low level air pollution in Helsinki.

Pönkä A.

Arch Environ Health. 1991 Sep-Oct;46(5):262-70.

PMID:
1953033
34.

Infections and other illnesses of children in day-care centers in Helsinki. II: The economic losses.

Nurmi T, Salminen E, Pönkä A.

Infection. 1991 Sep-Oct;19(5):331-5.

PMID:
1800372
35.
37.

Fewer new cases of HIV infection in Helsinki.

Pönkä A.

Infection. 1990 Jan-Feb;18(1):8-11.

PMID:
2312177
38.

Community screening for HIV infection in Finland.

Pönkä A, Cantell K, Kantanen ML, Leinikki P, Vartiainen E, Haikala O, Hovi S, Weckström P.

Am J Public Health. 1989 Apr;79(4):522. No abstract available.

39.

Accidents among children in communal day-care centres in Helsinki.

Pönkä A, Salminen E, Pönkä T.

Scand J Prim Health Care. 1989 Mar;7(1):39-42.

PMID:
2727459
40.

Have the number of new HIV infections leveled off in Finland?

Pönkä A, Tikkanen J, Haikala O, Suni J.

Am J Public Health. 1988 Jul;78(7):854-5. No abstract available.

41.

Increase in new patients with genital warts attending STD clinics in Helsinki, 1980-6.

Lassus J, Pönkä A, Haukka K, Lassus A.

Genitourin Med. 1988 Jun;64(3):205. No abstract available.

42.

Screening for HIV antibody during pregnancy.

Aho K, Kantanen ML, Cantell K, Brink A, Pönkä A.

Lancet. 1987 Apr 18;1(8538):921. No abstract available.

PMID:
2882321
43.

[HIV infection in Finland].

Valle SL, Suni J, Koistinen J, Rasi V, Lähdevirta J, Pönkä A, Ranki A, Krohn K.

Katilolehti. 1987 Apr;92(3):86-9. Finnish. No abstract available.

PMID:
3451997
44.

[Hepatitis A epidemic in an infant day care center].

Pönkä A, Pohjanpelto P.

Duodecim. 1985;101(14):1370-4. Finnish. No abstract available.

PMID:
4029044
45.

Outbreak of hepatitis A in a day care center in Finland.

Pohjanpelto P, Pönkä A.

Scand J Infect Dis. 1985;17(3):331-2.

PMID:
2997910
46.

Infection due to Campylobacter jejuni: a report of 524 outpatients.

Pönkä A, Pitkänen T, Sarna S, Kosunen TU.

Infection. 1984 May-Jun;12(3):175-8.

PMID:
6469363
47.

Infection with Campylobacter fetus.

Pönkä A, Tilvis R, Helle J, Kosunen TU.

Scand J Infect Dis. 1984;16(1):127-8.

PMID:
6695155
48.
49.

Mycoplasmal pneumonia associated with mesangiocapillary glomerulonephritis type II (dense deposit disease).

Von Bonsdorff M, Pönkä A, Törnroth T.

Acta Med Scand. 1984;216(4):427-9.

PMID:
6516912
50.

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