Yohimbine - RxList
- Package insert-style information on the drug; covers clinical pharmacology, indications, side effects, and drug interactions.
- http://rxlist.com/cgi/generic/yohimb.htm

Yohimbine - Clinical Trials
- Page provides a comparison of ten clinical trials in which yohimbine had been used as treatment for erectile dysfunction.
- http://www.jr2.ox.ac.uk/bandolier/booth/SexHlth/Youp.html