James M. Perrin

Variations in rates of hospitalization of children in three urban communities.

J L Freeman, D M Berwick, C J Homer, 1989, The New England journal of medicine.

Primary care involvement among hospitalized children.

P. Szilagyi, J. Leventhal, L. Rodewald, 1996, Archives of pediatrics & adolescent medicine.

Does quality of care affect rates of hospitalization for childhood asthma?

P. Szilagyi, J. Leventhal, L. Rodewald, 1996, Pediatrics.