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Items: 1 to 50 of 55

1.

Definition of a vector and a vector-borne disease.

Verwoerd DW.

Rev Sci Tech. 2015 Apr;34(1):29-39. English, French, Spanish. No abstract available.

PMID:
26470447
2.

New developments in major vector-borne diseases. Introduction.

Zientara S, Verwoerd DW, Pastoret PP.

Rev Sci Tech. 2015 Apr;34(1):17-27. English, French, Spanish. No abstract available.

PMID:
26470446
3.

History of Orbivirus research in South Africa.

Verwoerd DW.

J S Afr Vet Assoc. 2012 Nov 13;83(1):532. doi: 10.4102/jsava.v83i1.532.

PMID:
23327123
4.

William Horner Andrews (1887-1953)- first professor of physiology at Onderstepoort.

Verwoerd DW, Andrews WJ.

J S Afr Vet Assoc. 2011 Mar;82(1):3-5.

PMID:
21826830
5.

History of bluetongue research at Onderstepoort.

Verwoerd DW.

Onderstepoort J Vet Res. 2009 Mar;76(1):99-102.

PMID:
19967934
7.

The effect of a natural maedi-visna virus infection on the productivity of South African sheep.

Dungu B, Vorster J, Bath GF, Verwoerd DW.

Onderstepoort J Vet Res. 2000 Jun;67(2):87-96.

PMID:
11028744
8.
9.
10.

Ovine pulmonary adenomatosis (jaagsiekte).

Verwoerd DW.

Br Vet J. 1996 Jul;152(4):369-72. No abstract available.

PMID:
8791845
11.
13.

Some characteristics of a retrovirus isolated from transformed bovine cells.

York DF, Williamson A, Barnard BJ, Verwoerd DW.

Virology. 1989 Aug;171(2):394-400.

PMID:
2763459
14.

The possible involvement of immunosuppression caused by a lentivirus in the aetiology of jaagsiekte and pasteurellosis in sheep.

Myer MS, Huchzermeyer HF, York DF, Hunter P, Verwoerd DW, Garnett HM.

Onderstepoort J Vet Res. 1988 Sep;55(3):127-33.

PMID:
2848209
15.

Experimental transmission of jaagsiekte (ovine pulmonary adenomatosis) to goats.

Tustin RC, Williamson AL, York DF, Verwoerd DW.

Onderstepoort J Vet Res. 1988 Mar;55(1):27-32.

PMID:
3353097
17.

Characteristics of a novel lentivirus derived from South African sheep with pulmonary adenocarcinoma (jaagsiekte).

Quérat G, Barban V, Sauze N, Vigne R, Payne A, York D, De Villiers EM, Verwoerd DW.

Virology. 1987 May;158(1):158-67.

PMID:
2437695
18.

Production of a macrophage chemotactic factor by cultured jaagsiekte tumour cells.

Myer MS, Verwoerd DW, Garnett HM.

Onderstepoort J Vet Res. 1987 Mar;54(1):9-15.

PMID:
3587935
19.

The localization of a Mason-Pfizer monkey virus-related antigen in jaagsiekte tumour tissue and cell lines.

Payne AL, Verwoerd DW, Garnett HM.

Onderstepoort J Vet Res. 1986 Jun;53(2):87-91.

PMID:
3523361
20.

Isolation and identification of a South African lentivirus from jaagsiekte lungs.

Payne A, York DF, de Villiers EM, Verwoerd DW, Quérat G, Barban V, Sauze N, Vigne R.

Onderstepoort J Vet Res. 1986 Mar;53(1):55-62.

PMID:
3008059
21.

Biotechnology, viral oncogenesis and jaagsiekte.

Verwoerd DW.

Onderstepoort J Vet Res. 1985 Sep;52(3):145-8.

PMID:
3003648
22.

Global survey of serological evidence of caprine arthritis-encephalitis virus infection.

Adams DS, Oliver RE, Ameghino E, DeMartini JC, Verwoerd DW, Houwers DJ, Waghela S, Gorham JR, Hyllseth B, Dawson M, et al.

Vet Rec. 1984 Nov 10;115(19):493-5.

PMID:
6097015
23.

A scanning and transmission electron microscopy study of jaagsiekte lesions.

Payne AL, Verwoerd DW.

Onderstepoort J Vet Res. 1984 Mar;51(1):1-13.

PMID:
6462629
24.

The morphology and morphogenesis of jaagsiekte retrovirus (JSRV).

Payne AL, Verwoerd DW, Garnett HM.

Onderstepoort J Vet Res. 1983 Dec;50(4):317-22.

PMID:
6676695
25.

Isolation and preliminary characterization of the jaagsiekte retrovirus (JSRV).

Verwoerd DW, Payne AL, York DF, Myer MS.

Onderstepoort J Vet Res. 1983 Dec;50(4):309-16.

PMID:
6676694
26.

Aetiology of jaagsiekte: transmission by means of subcellular fractions and evidence for the involvement of a retrovirus.

Verwoerd DW, Williamson AL, De Villiers EM.

Onderstepoort J Vet Res. 1980 Dec;47(4):275-80.

PMID:
6164973
27.
28.

On the aetiology of Jaagsiekte.

Verwoerd DW, de Villiers EM.

J S Afr Vet Assoc. 1980 Jun;51(2):71-4.

PMID:
6114176
29.

Aetiology of jaagsiekte: experimental transmission to lambs by means of cultured cells and cell homogenates.

Verwoerd DW, De Villiers EM, Tustin RC.

Onderstepoort J Vet Res. 1980 Mar;47(1):13-8.

PMID:
7454230
30.

The serological relationship of herpesvirus ovis to other herpesviruses and its possible involvement in the aetiology of jaagsiekte.

Verwoerd DW, Meyer-Scharrer E, Broekman J, De Villiers E.

Onderstepoort J Vet Res. 1979 Mar;46(1):61-3.

PMID:
460824
31.

Mortality of suckling athymic nude mice associated with Staphylococcus aureus.

Du Plessis JL, Meyer-Scharrer E, Verwoerd DW, Henton MM.

J S Afr Vet Assoc. 1978 Sep;49(3):253-5. No abstract available.

PMID:
745207
33.

On the etiological role of Herpesvirus ovis in jaagsiekte.

Verwoerd DW, De Villiers EM, Coetzee S.

IARC Sci Publ. 1978;(24 Pt 2):869-73.

PMID:
751905
34.

Transplantation of cultured jaagsiekte (sheep pulmonary adenomatosis) cells into athymic nude mice.

Verwoerd DW, Meyer-Scharrer E, Du Plessis JL.

Onderstepoort J Vet Res. 1977 Dec;44(4):271-3.

PMID:
613296
35.

Immunosuppression in new-born lambs.

Broekman J, Eksteen PA, Verwoerd DW.

Onderstepoort J Vet Res. 1977 Sep;44(3):151-6.

PMID:
614532
36.
37.

Characteristics of an ovine herpesvirus associated with pulmonary adenomatosis (jaagsiekte) in sheep.

de Villiers EM, Els HJ, Verwoerd DW.

S Afr J Med Sci. 1975;40(4):165-75.

PMID:
1209391
38.

Induction of type C virus-related functions in normal rat embryo fibroblasts by treatment with 5-iododeoxyuridine.

Verwoerd DW, Sarma PS.

Int J Cancer. 1973 Nov 15;12(3):551-62. No abstract available.

PMID:
4134005
39.

Control of transcription during the expression of the bluetongue virus genome.

Huismans H, Verwoerd DW.

Virology. 1973 Mar;52(1):81-8. No abstract available.

PMID:
4372783
40.

Studies on the in vitro and the in vivo transcription of the bluetongue virus genome.

Verwoerd DW, Huismans H.

Onderstepoort J Vet Res. 1972 Dec;39(4):185-91. No abstract available.

PMID:
4352125
41.

Structure of the bluetongue virus capsid.

Verwoerd DW, Els HJ, De Villiers EM, Huismans H.

J Virol. 1972 Oct;10(4):783-94.

42.

Bluetongue virus.

Howell PG, Verwoerd DW.

Virol Monogr. 1971;9:35-74. Review. No abstract available.

PMID:
4354734
43.

Failure to demonstrate in vitro as opposed to in vivo transcription of the bluetongue virus genome.

Verwoerd DW.

Onderstepoort J Vet Res. 1970 Dec;37(4):225-7. No abstract available.

PMID:
4340802
44.

Characterization of bluetongue virus ribonucleic acid.

Verwoerd DW, Louw H, Oellermann RA.

J Virol. 1970 Jan;5(1):1-7.

45.

On the relationship between bluetongue, African horsesickness and reoviruses: hybridization studies.

Verwoerd DW, Huismans H.

Onderstepoort J Vet Res. 1969 Dec;36(2):175-9. No abstract available.

PMID:
4342071
46.

Morphology of bluetongue virus.

Els HJ, Verwoerd DW.

Virology. 1969 Jun;38(2):213-9. No abstract available.

PMID:
4306589
47.

Purification and characterization of bluetongue virus.

Verwoerd DW.

Virology. 1969 Jun;38(2):203-12. No abstract available.

PMID:
4306588
48.

Plaque formation by bluetongue virus.

Howell PG, Verwoerd DW, Oellermann RA.

Onderstepoort J Vet Res. 1967 Dec;34(2):317-32. No abstract available.

PMID:
4966975
49.

Purification and physico-chemical characterization of Ecbovirus type SA-I.

Oellermann RA, Els HJ, Verwoerd DW.

Onderstepoort J Vet Res. 1967 Apr;34(1):53-63. No abstract available.

PMID:
4293139
50.

The serological relationship of South African bovine enterovirus strains (Ecbo SA-I and-II) and the growth characteristics in cell culture of the prototype strain (Ecbo SA-I).

Verwoerd DW, Oellermann RA, Broekman J, Weiss KE.

Onderstepoort J Vet Res. 1967 Apr;34(1):41-52. No abstract available.

PMID:
4167639

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