51.   The authors found no controlled studies, and thus no evidence, for the effectiveness of either kava kava or valeriana.

52.   The group, he added, is planning to collaborate with the Israeli army on a controlled study of the dressing.

53.   Then, in a controlled study, the researchers poured hamsters the human equivalent of one beer -- light or dark -- a day.

54.   They cite carefully controlled studies of animals affecting troubled humans.

55.   This fall Meston and Dr. Julia Heiman at the UW Reproductive and Sexual Medicine Clinic plan to launch the first controlled study of how antidepressant medication affects sexual arousal.

56.   Yet carefully controlled epidemiological studies by highly regarded scientists have so far failed to prove conclusive evidence of a link between implants and disease.

57.   Yet doctors share the responsibility to do such research, and only rarely have they reported undertaking the scientifically controlled studies needed to settle major disputes about reported therapies.

58.   Years ago, researchers carried out controlled studies of a drug for angina or heart pain and found it was no better than a placebo, Molerman said.

59.   Deliberately eating peanuts, even in a carefully controlled study, is frightening.

60.   Maker Janssen Pharmaceutica is supplying it only in strictly controlled scientific studies to a few patients who have failed all other therapies.