[Current problems in perinatology].
Wilken
H
H
Scheuneman
P
P
D005859:Germany, East; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D010500:Perinatology / Q000639:trends*
Sovremennye problemy perinatologii.