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Woods RK, Weiner J, Abramson M, Thien F, Walters EH.Woods RK, et al.Aust N Z J Med. 1996 Aug;26(4):504-12. doi: 10.1111/j.1445-5994.1996.tb00596.x.Aust N Z J Med. 1996.PMID: 8873933
Abdulwadud O, Abramson M, Forbes A, James A, Light L, Thien F, Walters EH.Abdulwadud O, et al.Respir Med. 1997 Oct;91(9):524-9. doi: 10.1016/s0954-6111(97)90085-8.Respir Med. 1997.PMID: 9415352Free article.Clinical Trial.