Barrows SM, Cai B, Copley-Merriman C, Wright KR, Castro CV, Soufi-Mahjoubi R. Systematic literature review of the antitumor effect of octreotide in neuroendocrine tumors. World J Meta-Anal. 2018 Jun 28;6(2):9-20.
Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
Clarkson TB, Anthony MS, Klein KP. Phytoestrogens: can hormone replacement be something you eat? Women's health digest. 1996;1(4):253-5.