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Gunter De Win, MD, PhD
"Enwere ihe akaebe zuru oke iji chee na ikiri ndị gba ọtọ nwere ike imetụta ọrụ mmekọahụ."
"N'ime ndị na-eto eto, nsogbu a na-akọ na-enwe na erectile na-abawanye."
"Ihe karịrị 70% nke ndị ọrịa nwere nnukwu ihe nkiri [ndị na-akpali agụụ mmekọahụ na-enwe nsogbu]…