title: A controlled test of the use of registered nurses for prenatal care.
mesh_terms: D000328:Adult; D003258:Consumer Behavior; D004509:Education, Nursing, Continuing; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007318:Inservice Training; D009723:Nurse-Patient Relations; D009726:Nurses / Q000706:statistics & numerical data*; D010044:Outpatient Clinics, Hospital; D010414:Pennsylvania; D011247:Pregnancy; D011248:Pregnancy Complications; D011295:Prenatal Care; D012017:Referral and Consultation; D012106:Research