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VIETS HR.VIETS HR.Br Med J. 1950 Jan 21;1(4646):139-47. doi: 10.1136/bmj.1.4646.139.Br Med J. 1950.PMID: 15404170Free PMC article.No abstract available.
Viets HR.Viets HR.Ann N Y Acad Sci. 1966 Jan 26;135(1):5-7. doi: 10.1111/j.1749-6632.1966.tb45457.x.Ann N Y Acad Sci. 1966.PMID: 5221364No abstract available.