TY - GEN AU - Heiner,D C TI - Food allergy SN - 0028-4793 PY - 1981///0129 KW - Food Hypersensitivity KW - diagnosis KW - Humans KW - Infant KW - Methods N1 - Publication Type: Letter UR - https://doi.org/10.1056/NEJM198101013040119 ER -