Robertson G, Fleming A, Williams MC, Trucco E, Quinn N, Hogg R, McKay GJ, Kee F, Young I, Pellegrini E, Newby DE, van Beek EJR, Peto T, Dhillon B, van Hemert J, MacGillivray TJ. Association between hypertension and retinal vascular features in ultra-widefield fundus imaging. Open Heart. 2020 Jan 8;7(1):e001124. doi: 10.1136/openhrt-2019-001124
Candrilli SD, Davis KL, Iyer S. Impact of constipation on opioid use patterns, health care resource utilization, and costs in cancer patients on opioid therapy. J Pain Palliat Care Pharmacother. 2009 Sep 1;23(3):231-41.
Mansfield CA, Pattanayak SK, McDow W, MacDonald R, Halpin P. Shades of green: measuring the value of urban forests in the housing market. J Forest Econ. 2005 Dec;11(3):177-99. doi: 10.1016/j.jfe.2005.08.002