The cyclists' favourite, erythropoietin has prompted nearly three times as many bans as the following most popular PED.
Ihendị na-agba ígwè'Erythropoietin kachasị amasị ya, emeela ihe fọrọ nke nta ka ọ bụrụ okpukpu atọ karịa mmachi dị ka PED na-esote ewu ewu.