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.
Longfield JN, Townsend TR, Cruess DF, Stephens M, Bishop (Johannes) C, Bolyard C, Hutchinson E. Methicillin-resistant Staphylococcus aureus (MRSA): risk and outcome of colonized vs. infected patients. Infect Control. 1985 Nov;6(11):445-50. doi: 10.1017/S0195941700064791