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A treatise on diet, or the management of human life; by physicians called the six non-naturals, viz. I. The air. II. Food. III. Excretions and retentions. IV. Motion and rest. V. Sleep and watching. VI. The affections of the mind. Intended As an Inquiry into the Causes of Diseases in general, and in particular of those most common in London. Addressed to the inhabitants of this metropolis. By Francis de Valangin, M. D. Of the Royal College of Physicians, London.
- Valangin, Francis de, 1724 or 1725-1805.
- M.DCC.LXVIII. 
About this work
London : printed for the author, by J. and W. Oliver, in Bartholomew-Close; and sold by G. Pearch, at No 12, in Cheapside, M.DCC.LXVIII. 
x,342p. ; 8⁰.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.