@article{doi:10.1001/archinte.1989.00390060089018,
author = {Mulligan T and Katz P},
title = {WHy aged men become impotent},
journal = {Archives of Internal Medicine},
volume = {149},
number = {6},
pages = {1365-1366},
year = {1989},
doi = {10.1001/archinte.1989.00390060089018},
URL = { + http://dx.doi.org/10.1001/archinte.1989.00390060089018},
eprint = {/data/Journals/INTEMED/17052/archinte_149_6_018.pdf}
}