Gunter De Win, MD, PhD
"Muaj cov pov thawj txaus los xav tias cov duab liab qab tuaj yeem cuam tshuam kev sib deev."
"Nyob rau hauv pab pawg hnub nyoog yau, tshaj tawm qhov xwm txheej ntawm cov teeb meem erectile nce ntxiv."
"Ntau tshaj 70% ntawm cov neeg mob uas muaj teeb meem siv duab liab qab]…