A Treatise on Pellagra, for the General Practitioner. E-book. Formato PDF Edward Jenner Wood   -  Forgotten Books, 2017  - 

It is one of the most interesting chapters in American medical history this appearance of pellagra. It has been given to few to see the appearance of an entirely unknown disease on virgin soil and to watch the evolution of that disease through all the stages of adaptation to a new field. It has been a study of great sociological as well as medical importance.