Eji mara ya na 1992 mgbe a jikọtara ya na phentermine iji mepụta ọgwụ ọjọọ nke a maara dị ka fen-phen. 
Eji mara ya na 1992 mgbe a jikọtara ya na phentermine iji mepụta ogwụ ojọọ nke a maara di ka fen-phen. 