Ukuguqulwa kwe-penicillin
Umuthi owashintsha umlando wezokwelapha Indaba ye-penicillin, isibulala-magciwane sokuqala, iqala ngokutholakala ngengozi okwavula indlela yenkathi entsha yokulwa nezifo ezithathelwanayo. Ukutholwa kwayo nokulandelayo...