J. D. Ragan

Factors associated with serum cholesterol level in a pediatric practice. Cholesterol screening in a pediatric practice.

D. Labarthe, R. Harrist, G. Donker, 1993, Annals of epidemiology.

Cholesterol screening in pediatric practice.

D. Labarthe, G. Donker, D. Goff, 1991, Pediatrics.

A study of particular coordinate systems

Jennifer D. Ragan, J. D. Ragan, 2011 .