[Evolution of extreme prematurity in a "haut-normand" level-3 center: comparison between 1997 and 2000].
Adde-Michel
C
C
Staquet
P
P
Arsac
M
M
Marret
S
S
D005602:France / Q000453:epidemiology; D006306:Health Surveys; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D047928:Premature Birth / Q000453:epidemiology*