Hunter, G. W., III, Swartzwelder, J. C., Redmond, D. L., Shearer, L. A., Tonn, R. J., Vargas Alvarado, R., . . . Rodríguez Montoya, C. (1965). A survey of three Costa Rican communities for intestinal parasites.

Hunter, George W., III, J. C. Swartzwelder, D. L. Redmond, L. A. Shearer, R. J. Tonn, Rodrigo Vargas Alvarado, Mario Alfaro Brenes, José Antonio Zúñiga Ríos, ja César Rodríguez Montoya. A Survey of Three Costa Rican Communities for Intestinal Parasites. 1965.

Hunter, George W., III, et al. A Survey of Three Costa Rican Communities for Intestinal Parasites. 1965.