The great pellagra cover-up: eugenics v. poor white trash.
D002908:Chronic Disease; D005053:Eugenics; D005824:Genetics, Behavioral; D006664:History; D006801:Humans; D007360:Intelligence; D009017:Morbidity; D009026:Mortality; D009747:Nutritional Physiological Phenomena; D010820:Physicians; D011057:Politics; D011203:Poverty; D012922:Social Change; D012959:Socioeconomic Factors; D035862:Vulnerable Populations