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Ip SP, Mak DH, Li PC, Poon MK, Ko KM.Ip SP, et al. Among authors: ko km.Pharmacol Toxicol. 1996 Jun;78(6):413-6. doi: 10.1111/j.1600-0773.1996.tb00228.x.Pharmacol Toxicol. 1996.PMID: 8829203
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