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Abu-Qare AW, Abou-Donia MB. A validated HPLC method for the determination of pyridostigmine bromide, acetaminophen, acetylsalicylic acid and caffeine in rat plasma and urine. Journal of Pharmaceutical and Biomedical Analysis. 2001 Dec;26(5-6):939–47. doi: 10.1016/s0731-7085(01)00448-4. |