Author:
Zullo Fabrizio,Demarco Valentina,Savastano Giovanna,Pompeo Damiana,Faralli Ida,Giancotti Antonella,Perrone Giuseppina,Piccioni Maria Grazia,Galoppi Paola,Brunelli Roberto
Reference58 articles.
1. Births: preliminary data for;B E Hamilton;Natl Vital Stat Rep,2009
2. Epidemiology and causes of preterm birth;R L Goldenberg;Lancet,2008
3. The worldwide incidence of preterm birth: a systematic review of maternal mortality and morbidity;S Beck;Bull World Health Organ,2009