Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
Official journal of: the National Perinatal Association, <June 1989>- ; the Section on Perinatal Pediatrics, American Academy of Pediatrics, Apr./May 1999-
Description based on print version record.
Latest issue consulted: V. 31, no. 10 (Oct. 2011) (Nature Publishing Group website, viewed Oct. 11, 2011).