A tetra P adenosine tetraphosphate a-GBT a-bungarotoxin a-GD a-glycerophosphate dehydrogenase a-glob a-globulin A-LM acetylkitasamycin A-MLV Abelson-murine leukemia virus a-T a-tocopherol A-V fistura arteriovenous fistula A-V atrioventricular a-v 動静脈瘻 A. to O.C. attached to other correspondence A.A. Automatic Approval System A.A.P. amino-antipyrine フォスファターゼ測定試薬 A.A.R. against all ris