«Cottonseed oil». National Cottonseed Products Association. [Consulta: 29 novembre 2010].
doi.org
dx.doi.org
«Low potassium levels from use of Gossypol linked to paralysis». International Family Planning Perspectives, 7, 1, 1981, pàg. 24–25. DOI: 10.2307/2947696. «Gossypol, a male antifertility agent derived from the cotton plant, may be the cause of hypokalemic paralysis in a small but significant proportion of its users.»
«Low potassium levels from use of Gossypol linked to paralysis». International Family Planning Perspectives, 7, 1, 1981, pàg. 24–25. DOI: 10.2307/2947696. «Gossypol, a male antifertility agent derived from the cotton plant, may be the cause of hypokalemic paralysis in a small but significant proportion of its users.»
ntokcotton.org
«Cottonseed Oil Use». NTOK Cotton (North Texas, Oklahoma, and Kansas cotton industry partnership. Arxivat de l'original el 2011-07-27. [Consulta: 15 desembre 2010].
«Cottonseed Oil Use». NTOK Cotton (North Texas, Oklahoma, and Kansas cotton industry partnership. Arxivat de l'original el 2011-07-27. [Consulta: 15 desembre 2010].