[Ways to improve preventive care for pregnant women].
D005260:Female; D006801:Humans; D008427:Maternal Health Services / Q000592:standards*; D011247:Pregnancy; D011295:Prenatal Care / Q000592:standards*; D011296:Prenatal Diagnosis; D011787:Quality of Health Care; D012017:Referral and Consultation; D014586:USSR
Puti sovershenstvovaniia profilakticheskoĭ pomoshchi beremennym.