Alfredo Peña

Rotavirus-associated medical visits and hospitalizations in South America: a prospective study at three large sentinel hospitals

Miguel O’Ryan, Irene Pérez‐Schael, Nora Mamaní et al. · The Pediatric Infectious Disease Journal · 2001 · 90 citations

Medicine, Infectious Diseases, Pediatrics +17

Two year review of intestinal intussusception in six large public hospitals of Santiago, Chile

Miguel O’Ryan, Yalda Lucero, Alfredo Peña et al. · The Pediatric Infectious Disease Journal · 2003 · 71 citations

Medicine, Child Health, Pediatrics +11

Human Caliciviruses Are a Significant Pathogen of Acute Sporadic Diarrhea in Children of Santiago, Chile

Miguel L. O’Ryan, Nora Mamaní, Aldo Gaggero et al. · The Journal of Infectious Diseases · 2000 · 55 citations

Life Sciences, Infectious Diseases, Microbiology +17

Persistent and Transient<i>Helicobacter pylori</i>Infections in Early Childhood

Miguel L. O’Ryan, Yalda Lucero, Marcela Rabello et al. · Clinical Infectious Diseases · 2015 · 45 citations · Full text

Medicine, Microbiology, Pediatrics +16

Prospective Characterization of Norovirus Compared With Rotavirus Acute Diarrhea Episodes in Chilean Children

Miguel L. O’Ryan, Alfredo Peña, Rodrigo Vergara et al. · The Pediatric Infectious Disease Journal · 2010 · 42 citations · Full text

Medicine, Infectious Diseases, Pediatrics +17