Mazurkiewicz moved to Lviv, where he became an assistant to Professor Leon Popielski at the Institute of Pharmacology and Pharmacognosy. His work focused on...

1988. It was signed by Tadeusz Kielanowski, Bolesław Popielski, Kazimierz Imieliński, Zbigniew Sternadel, prof. Bogdan Suchodolski, Stanisław Ehrlich...