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BIERRING WL.BIERRING WL.J Am Med Assoc. 1959 Dec 19;171:2190-4. doi: 10.1001/jama.1959.03010340034008.J Am Med Assoc. 1959.PMID: 13800596No abstract available.
BIERRING WL, PAULEY C, CHANCELLOR LE.BIERRING WL, et al.J Iowa State Med Soc. 1957 Mar;47(3):127-30.J Iowa State Med Soc. 1957.PMID: 13406293No abstract available.