Katherine Christoffel

Prevalence of symptoms of gastroesophageal reflux during infancy. A pediatric practice-based survey. Pediatric Practice Research Group

Archives of Pediatrics and Adolescent Medicine · 1997 · Last of 4 authors · 385 citations

Prevalence rates and correlates of psychiatric disorders among preschool children

Journal of the American Academy of Child & Adolescent Psychiatry · 1996 · 283 citations