1688-0390 1688-0390 S1688-03902018000100152 Uruguay España 00 00 2018 00 00 2018 34 1 152 157 1 2008 35 11 11 2152-8 2 2008 17 4 4 271-3 3 2014 41 9 9 1728-31 4 2014 73 6 6 958-67 5 2010 69 1 1 20-8 6 2016 144 2 2 232-40 7 2016 123 6 6 1386-94 8 Canadian Hydroxychloroquine Study Group 1991 324 3 3 150-4 9 1998 7 2 2 80-5 10 2006 21 6 6 1541-8 11 2013 213 9 9 453-6