Fan W-Y, Fleming A, Robertson G, Uji A, van Hemert J, Singer M, Sagong M, Ip M, Sadda SR. Fractal analysis of retinal vasculature in normal subjects on ultra-wide field fluorescein angiography. Int J Ophtalmol. 2020 Jul 18;13(7):1109-14. doi: 10.18240/ijo.2020.07.15
Dysktra LA, Granger AL. Interactions between the delta agonist SNC80, and the mu agonists, morphine, buprenorphine, and butorphanol in squirrel monkeys. Nida Res Monogr. 2000;180:65.
Gfroerer J, Lessler J, Parsley (Edwards) T. Studies of nonresponse and measurement error in the national household survey on drug abuse. Nida Res Monogr. 1997;167:273-95.