title: Statistically significant hematopoietic effects of low blood lead levels.
abstract: Blood lead (Pb-b) concentrations, hematocrit (Ht), and hemoglobin (Hb) were determined in three groups of men working in different parts of a cable-producing factory. All three parameters examined, i.e., Pb-b, Ht, and Hb, in the above groups were found to be within "normal" limits. However, within each group of men studied, there was a statistically significant negative correlation between Pb-b concentrations and Ht and Hb values. This finding indicates that any increase in Pb-b concentration, even within the "normal" values, may result in a decrease of hematocrit and hemoglobin values of the same subjects.
mesh_terms: D000328:Adult; D004781:Environmental Exposure; D006400:Hematocrit; D006410:Hematopoiesis / Q000187:drug effects*; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007854:Lead / Q000009:adverse effects / Q000097:blood*; D008297:Male; D008452:Maximum Allowable Concentration; D008875:Middle Aged
chemical_list: D006454:Hemoglobins; D007854:Lead