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Irwin WJ, Masuda QN, Li Wan Po A.Irwin WJ, et al. Among authors: li wan po a.J Pharm Biomed Anal. 1985;3(3):241-50. doi: 10.1016/0731-7085(85)80029-7.J Pharm Biomed Anal. 1985.PMID: 16867684
Yip YW, Li Wan Po A, Irwin WJ.Yip YW, et al. Among authors: li wan po a.J Pharm Sci. 1983 Jul;72(7):776-81. doi: 10.1002/jps.2600720715.J Pharm Sci. 1983.PMID: 6886985
Hempenstall JM, Irwin WJ, Li Wan Po A, Andrews AH.Hempenstall JM, et al. Among authors: li wan po a.J Pharm Sci. 1983 Jun;72(6):668-73. doi: 10.1002/jps.2600720619.J Pharm Sci. 1983.PMID: 6875828
Mroso PV, Li Wan Po A, Irwin WJ.Mroso PV, et al. Among authors: li wan po a.J Pharm Sci. 1982 Oct;71(10):1096-101. doi: 10.1002/jps.2600711004.J Pharm Sci. 1982.PMID: 7143203
Li Wan Po A, Irwin WJ.Li Wan Po A, et al.J Pharm Pharmacol. 1980 Jan;32(1):25-9. doi: 10.1111/j.2042-7158.1980.tb12839.x.J Pharm Pharmacol. 1980.PMID: 6102122
Irwin WJ, Li Wan Po A, Stephens JS.Irwin WJ, et al. Among authors: li wan po a.J Clin Hosp Pharm. 1984 Mar;9(1):41-51. doi: 10.1111/j.1365-2710.1984.tb00917.x.J Clin Hosp Pharm. 1984.PMID: 6425365
Li Wan Po A, Irwin WJ.Li Wan Po A, et al.J Pharm Pharmacol. 1979 Aug;31(8):512-6. doi: 10.1111/j.2042-7158.1979.tb13574.x.J Pharm Pharmacol. 1979.PMID: 39990
Irwin WJ, Hempenstall JM, Li Wan Po A.Irwin WJ, et al. Among authors: li wan po a.J Chromatogr. 1984 Mar 30;287(1):85-96. doi: 10.1016/s0021-9673(01)87676-7.J Chromatogr. 1984.PMID: 6725458
Li Wan Po A, Irwin WJ, Yip YW.Li Wan Po A, et al.J Chromatogr. 1979 Sep 1;176(3):399-405. doi: 10.1016/s0021-9673(00)89458-3.J Chromatogr. 1979.PMID: 546923
Enever RP, Li Wan Po A, Shotton E.Enever RP, et al. Among authors: li wan po a.J Pharm Sci. 1979 Feb;68(2):169-71. doi: 10.1002/jps.2600680212.J Pharm Sci. 1979.PMID: 423084