TY  - RPRT
TI  - Sildenafil citrate (VIAGRA) improves erectile function in elderly patients with erectile dysfunction: a subgroup analysis.
AU  - G Wagner
AU  - F Montorsi
AU  - S Auerbach
AU  - M Collins
PY  - 2001
DO  - 10.1093/gerona/56.2.m113
UR  - https://pubmed.ncbi.nlm.nih.gov/11213274/
ID  - 11213274
ER  -