719,959 INTERNATIONAL International Workshop Sites of Actions and Effects of Pineal Hormones Poznań, Czerniejewo - September 28 to 30 1989 : Abstracts /print, as submitted by contributors.- Poznań : [Wydawnictwa uczelniane AM im. K. Marcinkowskiego w Poznaniu], 1989. -[1], k. ; 24 cm 70 Anniversary of the University Medical School in Poznań