31.   Two parts of the crude oil release helped enhance its effect, analysts said.

32.   Viagra, also known as sildenafil, works by enhancing the effects of nitric oxide, thereby increasing blood flow to the genitals.

33.   Water, wind and sun enhance the effects of alcohol.

34.   Weichselbaum, Soff and Folkman do not know how it is that angiostatin enhances the effect of radiation.

35.   Why not some some miniature Japanese trees to enhance the effect?

36.   Some enhance the effect by using flaming tires to build the roadblock, often damaging the highway in the process.

37.   This effect can be enhanced by choosing appropriate shadows for the text.

38.   Other types of drugs, such as anabolic steroids, have a more clear-cut performance enhancing effect.

39.   Some drink it along with a glass of wine or beer to enhance the effect, and others take it as a sedative at bedtime.