How fortunate we didn't have these animal tests in the 1940s, for penicillin would probably not have been granted a licence, and possibly the whole field of antibiotics might never have been realised.

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Reported in Dennis V. Parke, "Clinical Pharmacokinetics in Drug Safety Evaluation," in ATLA: Alternatives To Laboratory Animals, vol. 22, no. 3, May/June 1994, p. 208.

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