similarly , cells from the forehead , shoulder , and palm were obtained from 22 acne patients treated with isotretinoin ( 13-cis retinoic acid ) 0.5-0.7 mg/kg body weight ( b.wt . ) /day for 12-16 weeks , and in patients receiving arotinoid ( ro 15-0778 ) 192 mg ( n = 5 ) or 500 mg ( n = 5 ) per kg/b.wt./day for 6 weeks ( forehead and shoulder ) .
C0001144
acne
C0022265
13-cis retinoic acid