Protective effect of preexisting rotavirus‐specific immunoglobulin A against naturally acquired rotavirus infection in childrenKarsten Hjelt, Per C. Grauballe, Anders Pærregaard et al.|Journal of Medical Virology|1987Cited by 97
Nitrofurantoin versus Trimethoprim Prophylaxis in Recurrent Urinary Tract Infection in ChildrenL Brendstrup, Carsten Vrang, Karsten Hjelt et al.|Acta Paediatrica|1990Cited by 61
Acute Gastroenteritis in Children Attending Day‐Care Centres with Special Reference to Rotavirus InfectionsKarsten Hjelt, Peter A. Krasilnikoff, Anders Pærregaard et al.|Acta Paediatrica|1987Cited by 35
Rapid versus Gradual Refeeding in Acute Gastroenteritis in ChildhoodKarsten Hjelt, Peter A. Krasilnikoff, Anders Pærregaard et al.|Journal of Pediatric Gastroenterology and Nutrition|1989Cited by 31
Giardiasis: haematological status and the absorption of vitamin B<sub>12</sub> and folic acidKarsten Hjelt, Peter A. Krasilnikoff, Anders Pærregaard|Acta Paediatrica|1992Cited by 28