TY  - RPRT
TI  - Treating erectile dysfunction when PDE5 inhibitors fail.
AU  - Chelsea N McMahon
AU  - Christopher J Smith
AU  - Ridwan Shabsigh
PY  - 2006
DO  - 10.1136/bmj.332.7541.589
UR  - https://pubmed.ncbi.nlm.nih.gov/16528082/
ID  - 16528082
ER  -