Autor:
Sokal DC; Family Health International, Durham, NC 27713, USA. Dsokal@fhi.org,
Vach TH,
Nanda K,
McCann MF,
Weiner DH,
Drobnes C,
Rochanawutanon M,
Duc NB,
Loan ND
Publikováno v:
Epidemiology (Cambridge, Mass.) [Epidemiology] 2010 Mar; Vol. 21 (2), pp. 164-71.