Hutchison RW, Anastassopoulos K, Vallow S, Mordin M, Olson W, Hewitt D, Sikirica V. Intravenous patient-controlled analgesia pump and reservoir logistics: results from a multicenter questionnaire. Hosp Pharm. 2007 Nov 1;42(11):1036-44.
Grubb NR, Sutherland GR, Campanella C, Fleming A, Sinclair CJ, Fox KA. Latissimus dorsi muscle: assessment of stimulation after cardiomyoplasty with Doppler US tissue imaging. Radiology. 1996 Apr 1;199(1):59-64. doi: 10.1148/radiology.199.1.8633173
Grubb NR, Fleming A, Sutherland GR, Fox KA. Skeletal muscle contraction in healthy volunteers: assessment with Doppler tissue imaging. Radiology. 1995 Mar 1;194(3):837-42. doi: 10.1148/radiology.194.3.7862989