Very good book to start with. A small detail though: The uses of ET in the little book chémothypées gratuit''huiles essential 'by the same author that one obtains a pharmacy does not necessarily give the same to use in HE' 'The Family Practice guide '' for the same cause. So we are a bit lost. But the few tests performed are often surprising. Wasps bites, bruises, cramps ... Too bad the Soc Sec does not repay because they are not données.Bravo to the author.