A consideration of some retrospective data on breast-feeding in Great Britain.
D000367:Age Factors; D001942:Breast Feeding; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008393:Marriage; D011247:Pregnancy; D012189:Retrospective Studies; D012923:Social Class; D012959:Socioeconomic Factors; D006113:United Kingdom