81.   How much should doctors try to persuade reluctant parents to vaccinate their kids?

82.   However, some say that doctors should have tried more aggressive strategies.

83.   If only he could get into the study, then the doctors would try to give him powerful, new immunity by tinkering with his genes.

84.   If it fails, Cardini said, doctors can always try to turn the baby before delivery.

85.   In April, he will have an eight-hour operation as doctors will try to repair a hole in his heart and make the organ pump more efficiently.

86.   In the new study, doctors tried to minimize the danger by keeping dosages relatively low.

87.   Instead, the debate has centered on the morality of aborting a late-term fetus whose life doctors would try to save under other circumstances.

88.   Insurance Commissioner Elton Bomer has spent the week in a Houston hospital as doctors try to diagnose the cause of his recurring high fever.

89.   Investing a third as much, the California doctors tried to tackle a much larger state.

90.   Just as rare was the treatment doctors tried.