Papiernik, E [Morbidity and mortality of premature infants of less than 33 weeks]. [electronic resource] - Bulletin de l'Academie nationale de medecine May 1996 - 1017-27; discussion 1027-31 p. digital Publication Type: English Abstract; Journal Article ISSN: 0001-4079 Subjects--Topical Terms: Case-Control StudiesFrance--epidemiologyGestational AgeHumansInfant MortalityInfant, NewbornInfant, Premature, Diseases--epidemiologyLogistic Models