APA
Ramos A. M., Maranhão T. D., Macedo A. S., Pollock J. I. & Emond A. M. (20000118). Project Pró-natal: population-based study of perinatal and infant mortality in natal, Northeast Brazil. : Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society.
Chicago
Ramos A M, Maranhão T D, Macedo A S, Pollock J I and Emond A M. 20000118. Project Pró-natal: population-based study of perinatal and infant mortality in natal, Northeast Brazil. : Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society.
Harvard
Ramos A. M., Maranhão T. D., Macedo A. S., Pollock J. I. and Emond A. M. (20000118). Project Pró-natal: population-based study of perinatal and infant mortality in natal, Northeast Brazil. : Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society.
MLA
Ramos A M, Maranhão T D, Macedo A S, Pollock J I and Emond A M. Project Pró-natal: population-based study of perinatal and infant mortality in natal, Northeast Brazil. : Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society. 20000118.