Christakis DA, Johnston BD, Connell FA. Methodologic issues in pediatric outcomes research. Ambul Pediatr. 2001 Jan-Feb;1(1):59-62. Review.
Christakis DA, Johnston BD, Connell FA. Methodologic issues in pediatric outcomes research. Ambul Pediatr. 2001 Jan-Feb;1(1):59-62. Review.