Study record managers: refer to the Data Element Definitions if submitting registration or results information.
|1||NCT00000157||Terminated||Randomized Trial of Aspirin and Cataracts in U.S. Physicians||
||Male||40 Years to 84 Years (Adult, Older Adult)||NCT00000157||NEI-59||April 1982||January 1988||September 24, 1999||September 17, 2009|
|2||NCT00000500||Completed||Physicians' Health Study||
||Other / NIH||
||Male||40 Years to 84 Years (Adult, Older Adult)||NCT00000500||19
|September 1981||December 1995||December 1996||October 28, 1999||January 28, 2014|