by Jaime-Ramírez-Barba, E, Vargas-Salado, E, Domínguez-Garibaldi, F, Sánchez-Andia, W M, Salcedo-Gómez, J P, Morales-Caudillo, O, Quiroz-Guerrero, J, Gutiérrez-Constante, S
Published in Boletín médico del Hospital Infantil de México (Spanish edition) (01.10.1990)