| Literature DB >> 26386743 |
Wilma B Freire1, Philippe Belmont2, Daniel F López-Cevallos2, William F Waters2.
Abstract
Keywords: Ecuador; Methodology; National survey; Sample design
Mesh:
Year: 2015 PMID: 26386743 DOI: 10.1016/j.annepidem.2015.08.009
Source DB: PubMed Journal: Ann Epidemiol ISSN: 1047-2797 Impact factor: 3.797