Kim, E.; Elrashidy, R.; McVary, K. (1995). «Papaverine Topical Gel for Treatment of Erectile Dysfunction». The Journal of Urology153 (2): 361–5. doi:10.1097/00005392-199502000-00019. PMID7815584.
Sillanpää, M.; Koponen, M. (1978). «Papaverine in the prophylaxis of migraine and other vascular headache in children». Acta paediatrica Scandinavica67 (2): 209–12. doi:10.1111/j.1651-2227.1978.tb16304.x. PMID343489.
Kim, E.; Elrashidy, R.; McVary, K. (1995). «Papaverine Topical Gel for Treatment of Erectile Dysfunction». The Journal of Urology153 (2): 361–5. doi:10.1097/00005392-199502000-00019. PMID7815584.
Sillanpää, M.; Koponen, M. (1978). «Papaverine in the prophylaxis of migraine and other vascular headache in children». Acta paediatrica Scandinavica67 (2): 209–12. doi:10.1111/j.1651-2227.1978.tb16304.x. PMID343489.