略語大辞典 [Med] 34 SSD source-skin distance (放射線の)線源-皮膚間距離. source-skin distance; or source-surface distance; or FSD(focus-skin distance); or (G) FHA(Fokus-Haut-Abstand); in x-ray or gamma-ray radiology; [Med:Phys:Opt]. 丸善「略語大辞典」JLogosID : 11850621