Baran, P [Initial experience with the use of the Tesla tocography apparatus in the diagnosis of threatened abortion]. [electronic resource] - Ceskoslovenska gynekologie Jun 1990 - 337-42 p. digital Publication Type: Journal Article ISSN: 0374-6852 Subjects--Topical Terms: Abortion, Threatened--diagnosisCardiotocography--instrumentationFemaleHumansPregnancy