22 Egan Egan G G Ensom Ensom MHH MHH Measuring anti-factor Xa activity to monitor low-molecular-weight heparin in obesity: a critical review Measuring anti-factor Xa activity to monitor low-molecular-weight heparin in obesity: a critical review Can J Hosp Pharm Can J Hosp Pharm 2015 2015 68 68 1 1 33 33 47 47 http://dx.doi.org/10.4212/cjhp.v68i1.1423  http://dx.doi.org/10.4212/cjhp.v68i1.1423  supplied-pmid 25762818? The gene discussed is F10; the disease is obesity due to melanocortin 4 receptor deficiency.