THE OVER-SMOKING ISSUE (TAR TO NICOTINE ... (zyx53d00)

<p> Sorry! Your browser does not appear to support frames. You may view this document using the following link instead: <a href="http://legacy.library.ucsf.edu:8080/z/y/x/zyx53d00/zyx53d00.tif">TIFF zyx53d00</a>. This link is not permanent! Please don't use it for any other purpose. </p>