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Betzold CM, Laughlin KM, Shi C.Betzold CM, et al.Int Breastfeed J. 2007 Mar 5;2:4. doi: 10.1186/1746-4358-2-4.Int Breastfeed J. 2007.PMID: 17338821Free PMC article.
CARR WJ, ANDERSON RB, BETZOLD CW.CARR WJ, et al. Among authors: betzold cw.Bull U S Army Med Dep. 1948 Jun;8(6):442-4.Bull U S Army Med Dep. 1948.PMID: 18859197No abstract available.