Volans , G. (1997). Drugs Handbook 1998. Macmillan.
Tohutoru Kātū Chicago (17th ed.)Volans , Glyn. Drugs Handbook 1998. London: Macmillan, 1997.
Tohutoro MLA (9th ed.)Volans , Glyn. Drugs Handbook 1998. Macmillan, 1997.
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