Program: Residency in Obstetrics and Gynaecology, Universidad Industrial de Santander, Colombia Thesis Title: Prevalence of determinants of the perinatal morbidity and mortality in twin pregnancies in the University Hospital of Santander between 2008 and 2011. Graduation year: 2012 Abstract Objective: To determine the prevalence of risk factors associated with perinatal morbidity and mortality in twin […]