61.   Barnett was the lead author of the study by WVU and the Centers for Disease Control and Prevention.

62.   Conroy is the lead author of a study appearing Friday in the journal Science.

63.   Czeisler is lead author of the study appearing Friday in the journal Science.

64.   Dr. Peter H. Gann, lead author of the study, said a large new clinical trial is needed to learn whether yearly PSA screening reduces death rates.

65.   Dr. Joanne Wolfe, the lead author of the study published today in the New England Journal of Medicine, is among those working for such change.

66.   He is the lead author of the Nature paper.

67.   He is the lead author of the study, reported Friday in the journal Science.

68.   However, women should realize that long-term use carries risks, including ulcers, says the lead author, Dr. Arslan Akhmedkhanov of New York University School of Medicine.

69.   Includes comment from the lead author of the study and a heart patient who is one of its success stories.

70.   Kalderon, lead author of the study, said the X-rays apparently halt the action of cells that block the regrowth of injured nerve fibers.