Oliveira, A. L., Batista, J. L., Silva, A. P., Sobrinho, L. G. & Rocha, L. C.(1991). Endemic goitre in Guinea-Bissau.. Bulletin of the World Health Organization, 69 (3), 347 - 348. World Health Organization. http://www.who.int/iris/handle/10665/261313
Journal
Bulletin of the World Health Organization, 69 (3): 347 - 348
