| Ledermann | Sully, French psychiatrist. See: Ledermann formula. (05 Mar 2000) |
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| Ledermann formula | A formula to calculate alcohol dependancy levels. Ledermann showed empirically that the distribution of alcohol consumption in a population is log normal; the formula used this observation to estimate the prevalence of various degrees of alcohol dependency. Some questions have been raised about the validity of Ledermann's observations. (05 Mar 2000) |