1.
Med. clín (Ed. impr.)
; 140(2): 83-87, ene. 2013. tab, ilus
Article
in Spanish
| IBECS
| ID: ibc-109878
Subject(s)
Humans , Sampling Studies , Epidemiologic Methods , 29161 , Population Studies in Public Health
2.
Med Clin (Barc)
; 140(2): 83-7, 2013 Jan 19.
Article
in Spanish
| MEDLINE
| ID: mdl-23122609