Interventions: consequences for breastfeeding.
Johnston
J
J
D001942:Breast Feeding; D019317:Evidence-Based Medicine; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D016389:Maternal-Child Nursing; D009721:Nurse Midwives; D010818:Practice Patterns, Physicians'; D011247:Pregnancy