ANTEPARTAL CARE IN PHILADELPHIA.
D005260:Female; D006801:Humans; D010044:Outpatient Clinics, Hospital; D010414:Pennsylvania; D015143:Philadelphia; D011247:Pregnancy; D011295:Prenatal Care; D011637:Public Health Nursing
HOSPITAL OUTPATIENT CLINICS; PENNSYLVANIA; PREGNANCY; PRENATAL CARE; PUBLIC HEALTH NURSING