Cad Saude Publica. 1997 Apr;13(2):182-183. doi: 10.1590/s0102-311x1997000200001.
Cadernos de saude publica
[Article in Portuguese] Araújo, Iturri
PMID: 10886841 DOI: 10.1590/s0102-311x1997000200001
[No abstract available.]