[Changes in the structure of neonatal mortality in Bulgaria in the period 1995-2000].
Zhekova
N
N
Kalaĭkov
D
D
D002031:Bulgaria / Q000453:epidemiology; D006801:Humans; D007226:Infant Mortality / Q000639:trends*; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000401:mortality; D012189:Retrospective Studies