[Microscopic and microelectrographic studies of the fetal heart in man and in rat].
D000818:Animals; D004562:Electrocardiography; D005318:Fetal Heart / Q000166:cytology*; D006801:Humans; D007231:Infant, Newborn; D051381:Rats
Badania mikroskopowe i mikroelektrograficzne serca płodu człowieka i szczura.