/authors/lawrence-s-friedman-md/feed/atom <![CDATA[天博体育 Posts by Lawrence S. Friedman, MD Feed]]> /img/logos/hhp-logo-mark-lg.jpg 173 144 天博体育 Blog: You'll find posts from Harvard Medical School physicians and our editors on a variety of health news and issues. 2022-10-18T10:30:00-04:00 <![CDATA[How well do colonoscopies prevent colorectal cancer? What you need to know]]> /blog/how-well-do-colonoscopies-prevent-colorectal-cancer-what-you-need-to-know-202210182834 2022-10-18T10:30:00-04:00