For resources on policies and regulations within the Texas Medical Center Library's collection search these links:
The NEJM issue index can be accessed here.
At the Texas State level you will need to search in two places:
So many disease-specific organizations exist for the purposes of advocacy and education that they cannot all be listed.
Below are just a few that might be helpful. Each might have policy, patient education, advocacy and standards of care information related to their specific disease on their websites. When searching for specific disease information on the internet be careful to look for ".org" rather than ".com" after the name.