51.   If the damage is found to be limited to a certain area, a patient might undergo an angioplasty, which can greatly relieve angina pain.

52.   If they cannot, he said, some patients may needlessly undergo risky biopsies and operations.

53.   In addition, the study said the virus seems to develop resistance to other protease inhibitors after patients undergo a year of treatment with the Merck drug.

54.   In severe cases, patients should undergo surgery to correct the defect.

55.   In the past, bladder cancer patients have undergone a procedure known as a cystoscopy, often on a regular basis, to detect a recurrence of their disease.

56.   Law enforcement officials said they were trying to determine how many patients had undergone medical procedures in the clinic.

57.   Most nonemergency pediatric patients will undergo ear, nose and throat operations.

58.   Only two patients had undergone the procedure here.

59.   Patients undergo it twice, with a few weeks between transplants, to get enough of the insulin-secreting cells.

60.   Patients underwent angioplasty as often at night as during the day, he said.