Iminyaka ye-2 ngaphandle kwe-porn
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] ...
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