[The influence on the cardiophonometer by pregnancy, labor and medicaments].
D004809:Ephedrine; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009705:Nucleosides; D010701:Phonocardiography; D011247:Pregnancy; D014937:Work
D009705:Nucleosides; D004809:Ephedrine
EPHEDRINE; LABOR; NUCLEOSIDES; PHONOCARDIOGRAPHY; PREGNANCY