dr. lawrence dorr /tags/dr-lawrence-dorr dr. lawrence dorr en-US Copyright Wed, 21 Sep 2011 15:00:18 GMT History of Medicine and Advances in Surgery/Medical Research /all-sides-with-ann-fisher/2011-09-21/history-of-medicine-and-advances-in-surgery-medical-research 11:00 “One hundred years ago, a baby had a 50 percent chance of dying,â€? Dr. Lawrence Dorr explained. “In 1900, the life expectancy was 47 years.… Wed, 21 Sep 2011 15:00:18 GMT /all-sides-with-ann-fisher/2011-09-21/history-of-medicine-and-advances-in-surgery-medical-research admin