<qa>  How many capsules of saquinavir will participants take?- After 10 doses of saquinavir: About a week after the last dose of indinavir, participants will start taking 1,200 mg 6 capsules of saquinavir soft-gelatin capsules 3 times a day for 3 days. On the fourth day, participants will come to the clinic. A catheter will be inserted into an arm vein and about 4 teaspoons of blood will be collected for routine laboratory tests and to measure saquinavir levels. A urine sample will also be collected for routine tests. Participants will then receive the tenth and final dose of saquinavir, and eight blood samples of about a teaspoon each will be collected through the catheter over an 8-hour period. 