Pfeiffersche Regel (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pfeiffersche Regel" in German language version.

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nih.gov

ncbi.nlm.nih.gov

C. C. Pfeiffer: Optical isomerism and pharmacological action, a generalization, Science 124 (1956) 29-31. PMID 13337345.
R. Barlow: Enantiomers: how valid is Pfeiffer's rule?, Trends Pharmacol. Sci. 11 (1990) 148-150. PMID 2333666.