007530000a22001930004500003000900000005001700009264004900026110003100075245021900106300001000325500004400335490003500379041000800414041000800422650004300430650002100473650005400494040001100548PH-MaWHO20241108112724.0  aGeneva : bWorld Health Organization,c1972.  aWorld Health Organization.  aThe prevention of perinatal morbidity and mortality : report of a seminar, tours, 22-26 April 1969 = La prevention de la morbidite et de la mortalite perinatales : rapport sur un seminaire, Tours, 22-26 avril 1969.  a97 p.  aEnglish and French eds. bound together.  aPublic health papers ; no. 42.  aeng  afre  aFetal diseasesxPrevention and control  aInfant mortality  aInfant, Newborn, DiseasesxPrevention and control  aWHOLIS