title: The long-term use of tetracycline in acne vulgaris: effect on blood elements.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D001772:Blood Cell Count; D001773:Blood Cells / Q000187:drug effects; D001799:Blood Sedimentation; D004912:Erythrocytes; D005260:Female; D006454:Hemoglobins; D006801:Humans; D007958:Leukocyte Count; D007970:Leukopenia / Q000139:chemically induced; D008297:Male; D012156:Reticulocytes; D013752:Tetracycline / Q000008:administration & dosage*
chemical_list: D006454:Hemoglobins; D013752:Tetracycline