Breastfeeding.
Young
Patricia
P
D001942:Breast Feeding / Q000706:statistics & numerical data*; D017281:Cost of Illness; D005260:Female; D006801:Humans; D007229:Infant Welfare; D007231:Infant, Newborn; D007752:Obstetric Labor, Premature / Q000191:economics* / Q000453:epidemiology; D011247:Pregnancy; D011634:Public Health; D014481:United States / Q000453:epidemiology