00397nam a2200157Ia 4500008004100000020001500041082001800056100002000074245001700094250000600111260004200117300000800159650002100167650003400188653001700222170901s1983    xx            000 0 und d  a0723670161  a616.975bS63F  aSpeer, Frederic 0aFood Allergy  a2  aLondonbJohn Wright . PSG, Inc.c1983  a223  aMedical sciences  aTechnology (Applied sciences)  aFood allergy