[Study on nipple abnormalities and difficulties associated with breast feeding].
Hirose
Y
Y
Nagase
M
M
Bando
N
N
Goto
M
M
D001940:Breast / Q000002:abnormalities*; D001942:Breast Feeding; D005260:Female; D006801:Humans; D009558:Nipples / Q000002:abnormalities*