Question: What did Mariana Kovacevic use to treat the injury of Asamoah Gyan, a Ghanaian professional footballer for a suprising fast recovery time?
Sentence (from "Asamoah Gyan"): Asamoah Gyan ( , , born 22 November 1985 in Accra) is a Ghanaian professional footballer who plays as a striker for Kayserispor and captains the Ghanaian national team.
Relevant evidence: Yes