Observations on the venereal disease [electronic resource] : With an account of cures by Velnos' vegetable syrup, prepared by Isaac Swainson, sole proprietor of the genuine medicine, and successor to M. de Velnos, in Firth-Street, London
Reproduction of original from the Countway Library of Medicine. and Available online to authorized PSU users as part of the Medicine, science, and technology series of Eighteenth century collections online.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements