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Van Metre TE, Anderson AS, Barnard JH, Bernstein IL, Chafee FH, Crawford LV, Wittig HJ.Van Metre TE, et al. Among authors: wittig hj.J Allergy. 1968 Apr;41(4):195-208. doi: 10.1016/0021-8707(68)90042-7.J Allergy. 1968.PMID: 4868027Clinical Trial.No abstract available.