After one cycle of BEP ( intravenous cisplatin [ 20 mg/m ( 2 ) per day for 5 days ] , etoposide [ 100 mg/m ( 2 ) per day for 5 days ] , and intramuscular or intravenous bleomycin [ 30 mg per day on days 1 , 8 , and 15 ] ) , patients ' human chorionic gonadotropin and alfa-fetoprotein concentrations were measured at day 18-21 .