71.   Some of the backlash by medical doctors is explained by self-interest.

72.   Some medical doctors remain skeptical that the treatment is useful, saying that vision therapy is scientifically unproven.

73.   Southern said all aerobatics pilots are required to visit a certified Federal Aviation Airline medical doctor before he or she can perform in air shows.

74.   The bacteria still befuddle medical doctors, who have misdiagnosed their infections as everything from appendicitis to blocked blood vessels of the colon.

75.   The AMA devoted a whole issue to alternative medicine last November, and more medical doctors are being trained in its use.

76.   The clinic has taken on symbolic importance beyond its size, which is to consist of several naturopaths working with medical doctors.

77.   The first of those test results could be available today, Rumans, a medical doctor, said.

78.   The most prevalent type of anecdote involves someone like Susan Tilghman, a medical doctor in Fairfax, Va.

79.   The New York illnesses were initially misdiagnosed by medical doctors as St. Louis encephalitis and attributed to a common virus.

80.   The other crew members are Comdr. J.M. Linenger of the Navy, a medical doctor, and Lt. Col. Susan Helms of the Air Force.