1. Prevalence of Chagas infection in four blood banks of different geographic areas in Chile;Apt B;Revista Médica de Chile,1980
2. Chagasic cardiomyopathy: an epidemiological, clinical and electrocardiographic survey in the Limari Valley (Chile);Apt B;Revista Médica de Chile,1980
3. Chagasic cardiopathy in the North of Chile. A clinical, epidemiologic and electrocardiographic survey in Salamanca, Combarbala and Illapel;Apt B;Revista Médica de Chile,1981
4. Chagasic cardiomyopathy, an epidemiological and electrocardiographic survey in Elqui Valley (Chile);Arribada;Revista Médica de Chile,1979
5. Chagasic cardiopathy in the Province of Chanaral (Chile);Arribada;Revista Médica de Chile,1980