 7. Females of childbearing potential must have a negative serum or urine beta human chorionic gonadotropin Beta-hCG pregnancy test result within 14 days prior to the first dose of study drugs and must agree to use an effective contraception method during the study and for 30 days following the last dose of study drug. Females of non- childbearing potential are those who are postmenopausal greater than 1 year or who have had a bilateral tubal ligation or hysterectomy. Appropriate methods of birth control include the following: -- Any 2 of the following methods used together: --Birth control implants, injections, or pills except for progesterone only pills, --Intrauterine device IUD, --Vasectomy, --Tubal Ligation, --Barrier method female or male condom with spermicide, cervical cap with spermicide, diaphragm with spermicide; --Male condom with spermicide and diaphragm; Male condom with spermicide and cervical cap 