title: Letters on preconception counseling and care.
authors: Philadelphia, PA, USA.
authors: Laura
authors: L
authors: Oppenheim
mesh_terms: D003376:Counseling / Q000379:methods*; D005260:Female; D006801:Humans; D016742:Preconception Care / Q000379:methods*; D011320:Primary Health Care / Q000379:methods*