1.
Bol. epidemiol. Antioq
;
14(1/2): 11-27, ene.-jun. 1989. tab
Article
in Spanish
| LILACS
| ID: lil-83868
Subject(s)
Humans , Meningitis, Meningococcal , Neisseria meningitidis , Colombia , Meningococcal Infections
2.
Bol. epidemiol. Antioq
;
13(4): 552-8, oct.-dic. 1988. tab
Article
in Spanish
| LILACS
| ID: lil-71960