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Lee PC, Ledwich JR, Smith DC.Lee PC, et al. Among authors: ledwich jr.Can Med Assoc J. 1967 Jul 22;97(4):181-4.Can Med Assoc J. 1967.PMID: 6028477Free PMC article.No abstract available.
Ledwich JR.Ledwich JR.Can Med Assoc J. 1968 May 25;98(21):988-94.Can Med Assoc J. 1968.PMID: 4174139Free PMC article.Clinical Trial.No abstract available.
Burgess FJ, Ledwich JR.Burgess FJ, et al. Among authors: ledwich jr.Can Med Assoc J. 1976 Aug 7;115(3):229-32.Can Med Assoc J. 1976.PMID: 953883Free PMC article.