Medical treatment suggested by Doctor Beverly Crusher to aid in the recovery of the injured Romulan Patahk in 2366 following a lengthy exposure to the abrasive surface conditions on Galorndorn Core. However, Lieutenant Worf was the only compatible donor onboard U.S.S. Enterprise NCC-1701-D, and the Klingon flatly refused to cooperate in any way with assisting a Romulan.