00433nas a2200181 4500000000100000000000100001008004100002100001500043700001200058700002000070700001500090700001600105700001400121245008300135300001100218490000800229022001400237 2007 d1 aI. Douglas1 aC. Cook1 aU. Chakravarthy1 aR. Hubbard1 aA. Fletcher1 aL. Smeeth00aA case-control study of drug risk factors for age-related macular degeneration a1164-90 v114 a0161-6420