title: The microhematocrit test as a method for evaluating deferment by copper sulfate.
mesh_terms: D001769:Blood; D001782:Blood Donors; D001800:Blood Specimen Collection; D011232:Chemical Precipitation; D003300:Copper; D005260:Female; D006400:Hematocrit; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D008403:Mass Screening; D012737:Sex Factors; D013431:Sulfates
chemical_list: D013431:Sulfates; D003300:Copper