Davis KL, Joshi AV, Tortella BJ, Candrilli SD. The direct economic burden of blunt and penetrating trauma in a managed care population. J Trauma. 2007 Mar 30;62(3):622-30.
Palka P, Lange A, Wright RA, Starkey IR, Fleming AD, Bouki KP, Sutherland GR, Shaw TRD, Fox KAA. Myocardial velocity gradient measured throughout the cardiac cycle in dilated cardiomyopathy hearts — a potential new parameter of systolic and diastolic myocardial function by Doppler myocardial imaging. European journal of ultrasound. 1997 Jun 1;5(3):141-54. doi: 10.1016/S0929-8266(97)00014-1
Hoskins PR, Fleming A, Stonebridge PA, Allan PL, Cameron D. Scan-plane vector maps and secondary flow motions in arteries. European journal of ultrasound. 1994 Apr 1;1(2):159-69.
Rothman KJ, Glass RL, Espinal F, Velez H. Caries-free teeth in the absence of fluoride ion. J Public Health Dent. 1972;32(4):225-8. doi: 10.1111/j.1752-7325.1972.tb03977.x