Cooper, PJ; Chico, ME; Rodrigues, LC; Ordonez, M; Strachan, D; Griffin, GE; Nutman, TB; (2003) Reduced risk of atopy among school-age children infected with geohelminth parasites in a rural area of the tropics. The Journal of allergy and clinical immunology, 111 (5). pp. 995-1000. ISSN 0091-6749 DOI: https://doi.org/10.1067/mai.2003.1348 Full text not available from this repository.

Cooper, PJ; Chico, ME; Rodrigues, LC; Strachan, DP; Anderson, HR; Rodriguez, EA; Gaus, DP; Griffin, GE; (2004) Risk factors for atopy among school children in a rural area of Latin America. Clinical and experimental allergy, 34 (6). p. 845. ISSN 0954-7894 DOI: https://doi.org/10.1111/j.1365-2222.2004.01958.x Full text not available from this repository.