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Kakkar VV, Bentley PG, Lawrence D, de Haas HA, Ward VP.Kakkar VV, et al. Among authors: ward vp.MMW Munch Med Wochenschr. 1979 Sep 7;121(36):1152-4.MMW Munch Med Wochenschr. 1979.PMID: 114786German.No abstract available.