Yohimbine – Clinical Trials - Page provides a comparison of ten clinical trials in which yohimbine had been used as treatment for erectile dysfunction.
Yohimbine - MedlinePlus - Patient information on the drug; focus on proper use, precautions, and side effects.
Yohimbine - RxList - Package insert-style information on the drug; covers clinical pharmacology, indications, side effects, and drug interactions.
Yohimbine.net - Extensive information on the use of yohimbine in the treatment of erectile dysfunction and for sexual enhancement; includes articles on pharmacology, overdose management, and the combination of yohimbine with other medications for erectile dysfunction.