You can get this from here:

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=88f0184c-8f03-4f0f-b3f9-5109255fb461

Overview

This guidance provides general recommendations for the design, deployment and management of an Active Directory environment in a healthcare organization according to current best practices. The purpose of this guidance is to accelerate Active Directory design and deployment in a healthcare organization, and provide a framework for a more consistent network operating environment.