[The 1st Bulgarian obstetrical monitor--the AM-1].
D002031:Bulgaria; D004867:Equipment Design; D005260:Female; D005318:Fetal Heart / Q000502:physiology; D005323:Fetal Monitoring / Q000295:instrumentation*; D006801:Humans; D011247:Pregnancy; D014463:Ultrasonography / Q000295:instrumentation; D014590:Uterine Contraction
Pŭrviiat bŭlgarski akusherski monitor--"AM-1".