00270nam a2200109Ia 4500008004100000082001700041100001600058245002900074260003200103300001000135650001500145150201s2004 xx 000 0 und d a616.01bE04G aGUPTA , S K aESSENTIAL OF IMMUNIOLOGY bPRENTICE- HALLaDELHIc2004 a1-361 aIMMUNOLOGY