National Heart, Lung, and Blood Institute, NIH, DHHS


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Information About PDF

Adobe Acrobat's portable document format (PDF) files are widely used on the Web because they preserve the original appearance of the printed document. To access these files, you must have the Acrobat Reader installed on your computer, configured to work with your browser. When viewed or printed in the Acrobat Reader, the document appears as it does in the hard copy version.

Many PDF documents contain bookmarks to the major sections. If the bookmarks are not visible when you open the file, select the bookmark button in the Button Bar of the Acrobat Reader. Just click a bookmark to jump to the corresponding topic or section in the document. To view sub-topic bookmarks, click the triangle icon at the left of a bookmark.   If you do not have the Acrobat Reader, you may download a free copy from Adobe.



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Information for those who have problems opening or printing PDF files

Sometimes our visitors find it easier to open PDF files if they first download them to their computer and then open them as they would any document. If you have not tried this already, you may want to see if these four steps work for you:

1. Right-click (Windows) or click and hold (Macintosh) on the link to the PDF file.

2. From the popup menu, select Save Link As (Netscape) or Save Target As (Internet Explorer).

3. Select the location where you want to save the file then select Save.

4. Open Acrobat Reader, choose open from the file menu, locate the file, and select open.

If you do not already have the latest reader, you can download the latest reader for free from Adobe.




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Attention, blind and visually impaired visitors:

Links to the enhanced Acrobat Reader and to Adobe's online conversion tools are below.

Download the latest Adobe Acrobat Reader
Information on the Adobe Reader and screen reader compatability.
Note: Macintosh Reader installers marked "monolithic" are single file installers intended for use on tangible media and inside firewalls.

Online Conversion Tools links to a set of tools that allow blind and visually impaired individuals to read any document in Adobe PDF. The tools convert PDF documents into simple HTML or ASCII text that can then be read by a number of common screen reading programs that synthesize the HTML as audible speech.




















Please send us your feedback, comments, and questions
by using the appropriate link on the page, Contact the NHLBI.










Note to users of screen readers and other assistive technologies: please report your problems here.