- A new surrogate variable for erectile dysfunction status in the Massachusetts male aging studyK P Kleinman
New England Research Institutes Inc, Watertown, MA 02472, USA
J Clin Epidemiol 53:71-8. 2000..In the present article, we report the results of a new discriminant function, based on the MMAS men at follow-up. We also compare the two methods and discuss our reasons for preferring the internally calibrated method...
- Erectile dysfunction and coronary risk factors: prospective results from the Massachusetts male aging studyH A Feldman
New England Research Institutes, Watertown, Massachusetts, 02472, USA
Prev Med 30:328-38. 2000....