Coltart, D J Study of the contractile and electrophysiological maturation responses of the human foetal myocardium. [electronic resource] - British journal of pharmacology Aug 1971 - 653P-654P p. digital Publication Type: Journal Article ISSN: 0007-1188 Subjects--Topical Terms: Abortion, TherapeuticAction PotentialsCarbachol--pharmacologyElectrodesElectrophysiologyFemaleFetal Heart--drug effectsHumansHydrogen-Ion ConcentrationIn Vitro TechniquesIsoproterenol--pharmacologyMuscle Contraction--drug effectsPregnancyTemperature