Alejandro Lazo-Langner, Jeff Hawel, Walter Ageno and Michael J. Kovacs (2010) “Low molecular weight heparin for the treatment of retinal vein occlusion: a systematic review and meta-analysis of randomized trials”, Haematologica. Pavia, Italy, 95(9), pp. 1587-1593. doi: 10.3324/haematol.2010.023614.