Advances in perinatology.
Tsang
R C
RC
Perinatal Research Institute, Children's Hospital, University of Cincinnati, OH 45267-0541, USA.
D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000517:prevention & control*; D010500:Perinatology / Q000639:trends*