Vásquez, Rubén D., Victor M. Chávez, Iris E. Gamio, Richard I. Muñoz, Marcos F. Polar, Raúl Montalvo, and Eduardo Ticona. “Probable Vertical Transmission of the Influenza Virus A (H1N1): Apropos of a Case”. Revista Peruana de Medicina Experimental y Salud Pública 27, no. 3 (September 28, 2010). Accessed May 3, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/1507.