Seropositivity to anti-phenolic glycolipid-I in leprosy cases, contacts and no known contacts of leprosy in an endemic and a non-endemic area in northeast Brazil - Frota, Cristiane C.; Freitas, Max Victor Carioca; Foss, Norma Tiraboschi; Lima, Luana N. C.; Rodrigues, Laura C.; Barreto, Maurício Lima; Kerr, Ligia R. S. (Transactions of the Royal Society of Tropical Medicine and Hygiene, 2010)