[Skip to Content]
[Skip to Content Landing]
July 21, 1993

Reference Directories

JAMA. 1993;270(3):314-318. doi:10.1001/jama.1993.03510030038017

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.

First Page Preview View Large
First page PDF preview
First page PDF preview