51.  The medication slowed the progress of the disease in laboratory rats, but a later human trial was not successful.

52.  The new combination drug treatments using protease inhibitors appear to be highly effective at slowing the progress of HIV infection.

53.  There are strong political forces that have worked to slow progress, he said, in particular, the restaurant industry, which has succeeded in blocking smoking restrictions.

54.  They note that students who cannot live on the stipends they receive often turn to outside work, which slows their progress toward their degrees.

55.  Though storms this week have slowed progress, clear weather is likely next week, Weather Services Corp. said.

56.  Though storms this week have slowed progress, better weather is likely next week, Weather Services Corp. said.

57.  Though storms this week have slowed progress, better weather is likely next week, according to Weather Services Corp. of Lexington, Massachusetts.

58.  Three days later, Davis called key lawmakers to his office asking them to slow the progress of bills pending in the Legislature that stiffened regulation of HMOs.

59.  Weekend rainfall in all growing areas was heavier than traders expected, slowing progress on fieldwork that already was behind schedule.

60.  Wheatley has generally played every third series and has showed explosiveness at times, but his progress has been slowed by a succession of injuries.