;
Gunter De Win, MD, PhD
"Kukho ubungqina obaneleyo bokucinga ukuba imifanekiso engamanyala inokuchaphazela umsebenzi wesondo."
"Kumaqela amancinci, iziganeko ezixeliweyo zeengxaki ze-erectile ziyanda."
"Ngaphezu kwe-70% yezigulana eziphezulu [ezinengxaki yokusetyenziswa koonografi] ...