41.   Water managers have investigated less-intensive treatment methods using much lower doses of chemicals.

42.   Whether beneficial effects remain at lower doses remains to be seen.

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

44.   A drug anesthesiologists commonly use apparently can cause fatal irregular heartbeats at far lower doses than expected, prompting the government to urge doctors to try different medications.

45.   Aspirin can cause various stomach ailments such as ulcers so many believe that a lower dose offers the same benefits without the risk of side effects.

46.   At lower doses, the risk dropped sharply.

47.   Bayer executives said they are continuing to sell Baycol in Japan because lower doses are sold there, and gemfibrozil is not on the Japanese market.

48.   But at lower doses it may have therapeutic value, the new findings indicate.

49.   But hepatitis patients need to take lower doses of Epivir than patients who have the HIV virus that causes AIDS.

50.   By every measure, these animals, and two others that got lower doses, are entirely healthy.