Leukopenia a guide toward pathogenesis.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001853:Bone Marrow / Q000473:pathology; D001854:Bone Marrow Cells; D002648:Child; D002965:Classification; D005260:Female; D006801:Humans; D007970:Leukopenia / Q000209:etiology* / Q000473:pathology*; D008297:Male; D008875:Middle Aged