41.   Riney acknowledges that he knew his wife had grown unhappy with their marriage, but attributed that to his despondent demeanor caused by the powerful drugs his transplant requires.

42.   Several years ago, Steinberg talked of a day when animal organs could be transplanted into humans, without using powerful drugs to suppress the immune system.

43.   She spent the next seven years in and out of hospitals, undergoing shock treatments and numerous psychotherapy sessions and taking powerful drugs including Haldol and Thorazine.

44.   She was taking powerful drugs that gave her daily nosebleeds.

45.   She noted that nicotine is a powerful drug known to have an unusual mix of effects on the brain.

46.   So far, it seems that endostatin is the more powerful drug against tumors.

47.   She said studies have shown that it is possible to prevent AIDS in babies if an infected woman takes a powerful AIDS drug during pregnancy.

48.   Ten years ago, doctors were hesitant to prescribe the powerful new drugs for babies or pregnant women.

49.   The agency is hoping to develop a method of providing treatment only during delivery, perhaps using a drug more powerful than AZT.

50.   The advent of powerful anti-AIDS drugs a decade ago triggered a revolution in HIV care, restoring health to thousands of once-doomed patients.