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Purnell DC, Scholz DA, van Heerden JA.Purnell DC, et al. Among authors: scholz da.Mayo Clin Proc. 1982 Nov;57(11):694-8.Mayo Clin Proc. 1982.PMID: 7132430
Purnell DC, Scholz DA, Smith LH.Purnell DC, et al. Among authors: scholz da.Surg Clin North Am. 1977 Jun;57(3):543-56. doi: 10.1016/s0039-6109(16)41236-3.Surg Clin North Am. 1977.PMID: 17166No abstract available.