21.   Whereas the original treatments used high doses of estrogen alone, current products use lower doses and often combine them with another hormone, progesterone.

22.   A heart specialist stands by during the cocaine injections, and only moderate doses are used.

23.   But patients should try to use low doses, get sufficient calcium and vitamin D, exercise and have their bone density checked, he said.

24.   --Enrollment of new patients in the experiments using higher doses despite adverse reactions experienced by earlier patients at lower doses.

25.   In many cases, especially cancer, they use higher doses of radiation to treat the illnesses, too.

26.   It is probable that she used large doses but others, notably in Eastern Europe, did the same.

27.   Sanchez proved Thursday his ability to undermine more powerful foes in his match against Novacek by using large doses of spin and drop shots.

28.   Researchers used high doses of the DDT breakdown product in the rats to see quickly if it would have an effect.

29.   Those who used higher doses had more bone loss.