WASHINGTON - Maine Sen. William Cohen, the ranking minority member of the Senate Special Committee on Aging who joined Democratic chairman Sen. David Pryor last week to express reservations about the pricing of Betaseron, may be the only visible supporter of drug price oversight among Senate Republicans.

Cohen and Pryor made their comments on the pricing issues in a letter to Jorge Engel, president and CEO of Berlex Laboratories, which will be marketing the drug developed and manufactured by Chiron Corp.