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Items: 15

1.

Optical analysis of deviations in a concentrating photovoltaics central receiver system with a flux homogenizer.

Helmers H, Thor WY, Schmidt T, van Rooyen de W, Bett AW.

Appl Opt. 2013 May 1;52(13):2974-84. doi: 10.1364/AO.52.002974.

PMID:
23669763
2.
4.

Evaluation of long-term efficacy and safety of transdermal fentanyl in the treatment of chronic noncancer pain.

Milligan K, Lanteri-Minet M, Borchert K, Helmers H, Donald R, Kress HG, Adriaensen H, Moulin D, Järvimäki V, Haazen L.

J Pain. 2001 Aug;2(4):197-204.

PMID:
14622817
5.
6.
7.

Performance of a compact, hybrid optical evanescent-wave sensor for chemical and biological applications.

Helmers H, Greco P, Rustad R, Kherrat R, Bouvier G, Benech P.

Appl Opt. 1996 Feb 1;35(4):676-80. doi: 10.1364/AO.35.000676.

PMID:
21069055
8.

Total intravenous anaesthesia with propofol, alfentanil, and oxygen-air: three different dosage schemes.

van Leeuwen L, Zuurmond WW, Deen L, Helmers HJ.

Can J Anaesth. 1990 Apr;37(3):282-6.

PMID:
2182204
9.

An unusual cause of obstruction in the anesthesia circuit.

Helmers H, van Leeuwen L, Adam A.

Acta Anaesthesiol Belg. 1987;38(1):115-6.

PMID:
3591265
10.

Alfentanil kinetics in the elderly.

Helmers H, Van Peer A, Woestenborghs R, Noorduin H, Heykants J.

Clin Pharmacol Ther. 1984 Aug;36(2):239-43.

PMID:
6146424
11.

Hazard of non reinforced pre-formed tracheal tubes.

Helmers H.

Acta Anaesthesiol Belg. 1984 Jun;35(2):189-92.

PMID:
6496025
12.

Advances in gamma-gamma-coincidence scintigraphy with the scintillation camera.

von Boetticher H, Helmers H, Schreiber P, Schmitz-Feuerhake I.

Phys Med Biol. 1982 Dec;27(12):1495-506. No abstract available.

PMID:
7156186
13.

Depth-discrimination in direct 3D-scanning without image reconstruction using a coincidence technique.

Helmers H, von Boetticher H, Schmitz-Feuerhake I.

Eur J Nucl Med. 1982;7(7):324-6. No abstract available.

PMID:
7117275
14.

Scanner performance to overcome efficiency problems in three-dimensional scintigraphy by gamma-gamma-coincidences.

Helmers H, von Boetticher H, Schmitz-Feuerhake I.

Phys Med Biol. 1979 Sep;24(5):1025-9. No abstract available.

PMID:
515173
15.

Contributions to depth discrimination gamma-gamma-coincidence methods in scintigraphy.

von Boetticher H, Helmers H, Muschol EM.

Phys Med Biol. 1979 May;24(3):571-6.

PMID:
461515

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