G. Bykadi

Inhibition of prostaglandin biosynthesis by coumarin, 4-hydroxycoumarin, and 7-hydroxycoumarin.

W. Ritschel, R. Lee, G. Bykadi, 1981, Arzneimittel-Forschung.

Determination of ellipticine in biological samples by high-performance liquid chromatography.

J. Cradock, K. Flora, G. Poochikian, 1982, Journal of chromatography.

Pilot study on disposition and pain relief after i.m. administration of meperidine during the day or night.

W. Ritschel, D. J. Ford, S. Bloomfield, 1983, International journal of clinical pharmacology, therapy, and toxicology.