Electronic reproduction. [Place of publication not identified] : HathiTrust Digital Library, 2010.
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
Mode of access: World Wide Web.
English and French, 1987-1993; English, French, and Spanish, 1992-1993; English only, 1994-
Print version record.
Vol. 30, no. 4 (2016) (WHO, viewed March 28, 2017).