Revista de Saúde Pública Print version ISSN 0034-8910 NAOUM,
Paulo César et al. Detection of carriers of abnormal
haemoglobins, and their familiarization with their condition, in
the population of the regions of S. José do Rio Preto and
Presidente Prudente, S. Paulo (Brazil). Rev. Saúde Pública
[online]. 1985, vol.19, n.4, pp. 364-373. ISSN 0034-8910.
http://dx.doi.org/10.1590/S0034-89101985000400008. A study of
abnormal haemoglobins among the inhabitants of S. José do Rio
Preto and Presidente Prudente was conducted, using blood samples
collected from 7,657 subjects attending health clinics in 48
towns of those regions during 1983-1984. For purposes of
analysis the subjects were grouped by region of origin and
racial features, 6,941 being classified as "caucasoid" and 716
as "negroid", the latter category including negroes, dark
mulattoes, and light mulattoes. Electrophoretic techniques were
used to detect abnormal haemoglobins, to determine the presence
of haemoglobin types S and C, and isolate the polypepti