Chizzola, M., & Añón, R. (1972). Types and frequency of malignant abdominal tumors in childhood.
Cita Chicago Style (17a ed.)Chizzola, Manlio, y Ruben Añón. Types and Frequency of Malignant Abdominal Tumors in Childhood. 1972.
Cita MLA (9a ed.)Chizzola, Manlio, y Ruben Añón. Types and Frequency of Malignant Abdominal Tumors in Childhood. 1972.
Precaución: Estas citas no son 100% exactas.