H. Letzel

Efficiency of acitretin in combination with UV-B in the treatment of severe psoriasis.

O. Braun-falco, T. Ruzicka, B. Przybilla, 1990, Archives of dermatology.

Dose-finding study of candesartan cilexetil plus hydrochlorothiazide in patients with mild to moderate hypertension.

T. Philipp, H. Letzel, H. Arens, 1997, Journal of human hypertension.

The efficacy and safety of aceclofenac versus placebo and naproxen in women with primary dysmenorrhoea.

R. Lamarca, A. Raber, H. Letzel, 2006, European journal of obstetrics, gynecology, and reproductive biology.

Bromocriptine lessens the incidence of mortality in L-Dopa-treated parkinsonian patients: Prado-study discontinued

H. Przuntek, P. Riederer, W. Danielczyk, 2005, European Journal of Clinical Pharmacology.

[Serum concentration of glyceryl trinitrate (GTN) in transdermal application of GTN dressings of various origins].

G. Menke, H. Letzel, N. Rietbrock, 1985, Deutsche medizinische Wochenschrift.

[Gingko biloba extract EGb 761 and pentoxifylline in intermittent claudication. Secondary analysis of the clinical effectiveness].

W. Schoop, H. Letzel, 1992, VASA. Zeitschrift fur Gefasskrankheiten.

Early institution of bromocriptine in Parkinson's disease inhibits the emergence of levodopa-associated motor side effects. Long-term results of the PRADO study

H. Przuntek, P. Riederer, M. Gerlach, 2005, Journal of Neural Transmission.

Primary combination therapy of early Parkinson's disease. A long-term comparison between the combined regimen bromocriptine/levodopa and levodopa monotherapy--first interim report.

H. Przuntek, P. Kraus, H Przuntek, 1992, European neurology.

Dose-response curves in antihypertensive combination therapy: results of a controlled clinical trial.

H. Letzel, E. Bluemner, 1990, Journal of Hypertension - Supplement.