skin cancer

Sildenafil Use and Increased Risk of Incident Melanoma in US MenA Prospective Cohort Study Wen-Qing Li, PhD et al JAMA Intern Med. 2014;174(6):964-970. Importance The RAS/RAF/mitogen-activated protein kinase and extracellular signal–regulated kinase (ERK) kinase/ERK cascade plays a...