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Sieck JO, Ellis ME, Alfurayh O, Ali MA, Ali HA, Ayub A, al-Fadda M, Zafar M, Halim M, Bernvil SS, et al.Sieck JO, et al.J Hepatol. 1993 Nov;19(3):418-23. doi: 10.1016/s0168-8278(05)80552-5.J Hepatol. 1993.PMID: 7512110Clinical Trial.
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