 3. Female subjects who are not pregnant, or are surgically sterile or 2 years postmenopausal. If of childbearing potential, she must be using a medically-accepted method of birth control and agree to continue use of this method for at least 30 days after the study i.e., barrier method with spermicide, steroidal contraceptive oral, transdermal, and implanted, including Depo-Provera; contraceptives must be used in conjunction with a barrier method, or intrauterine device. 