Very anemic donors may pass copper sulfate screening tests.
Newman
B
B
D000328:Adult; D000368:Aged; D000740:Anemia / Q000097:blood* / Q000175:diagnosis; D001782:Blood Donors; D019327:Copper Sulfate; D003951:Diagnostic Errors; D005188:False Negative Reactions; D005260:Female; D006400:Hematocrit; D006801:Humans; D008297:Male; D008875:Middle Aged
D019327:Copper Sulfate