Albrecht TH. The influence of injection modes on the enhancement of Doppler studies with ultrasound contrast agents. JEMU 1998; 19(2/3): 250-252.

Bartels E and KA Flügel. Evaluation of cerebral venous thrombosis using transcranial color flow imaging without echo contrast agents. Presented at the 22^nd Int’l Joint Conference on Stroke and Cerebral Circulation, Anaheim, CA, Feb 6-8, 1997. Stroke 1997; 28(1): 240. (abstract #46)

Blomley M, et al. Contrast enhancement and stimulated acoustic emission. JEMU 1998; 19(2/3): 253-254.

Burns PN. Overview of echo enhanced vascular Doppler imaging for clinical diagnosis in neurosonology. Presented at the 6th Meeting of Neurosonology Research Group; World Federation of Neurology, Salzburg, Austria, Sept 1-3, 1995. J Neuroimaging 1995; 5(supp 2). (abstract #148)

Delcker A, Turowski B, and HC Diener. Comparison of 3D-transcranial contrast duplex sonography with cerebral angiography. Presented at the 22^nd Int’l Joint Conference on Stroke and Cerebral Circulation, Anaheim, CA, Feb 6-8, 1997. Stroke Jan 1997; 28(1): 240. (abstract #48)

Everbach E, et al. Effect of acoustic cavitation on platelets in the presence of an echo-contrast agent. Ultrasound Med Biol 1998; 24(1): 129-136.

Goertler M, et al. Diagnostic impact and prognostic relevance of early contrast-enhanced transcranial color-coded duplex sonography in acute stroke. Stroke 1998; 29 (5): 955-962.

Haggag KJ, et al. Colour duplex studies of the cranial vasculature after intravenous contrast. Presented at the 8th Int'l Symposium on Cerebral Hemodynamics, Münster, Germany, Sept 25-27, 1994. (abstract #17)

Haggag KJ, et al. Ultrasound contrast agents do not cause SCADs. Presented at the 8th Int'l Symposium on Cerebral Hemodynamics, Münster, Germany, Sept 15-17, 1994. (abstract #19)

Jauss M, et al. Detection of patent foramen ovale with transcranial Doppler ultrasound using galactose microbubbles (echovist (r)). Presented at the 7th Int'l Symposium on Cerebral Hemodynamics, Lake Buena Vista, FL, Feb 6-10, 1993. Stroke 1993; 24(3): 512. (abstract #60)

Jünger E, et al. Evaluation of transcranial Doppler sonography with intravenous injection of air bubble suspension for diagnosis of patent foramen ovale. Presented at the 8th Int'l Symposium on Cerebral Hemodynamics, Münster, Germany, Sept 15-17, 1994. Cerebrovasc Dis 1994; 4(supp 3). (abstract #20)

Kaps M, Beller D, and J Reynen. Acoustic-densitometric studies of echocontrast distribution in the brain of dogs. Presented at the 8th Int'l Symposium on Cerebral Hemodynamics, Münster, Germany, Sept. 25-27, 1994. (abstract #18)

Kaps M, et al. Characteristics of transcranial Doppler signal enhancement using a phospholipid-containing echocontrast agent. Stroke 1997; 28(5): 1006-1008.

Kemény V, et al. Validity of echocontrast-enhanced ultrasound diagnostics in acute stroke. Presented at the 6^th European Stroke Conference, Amsterdam, The Netherlands, May 28-31, 1997. Cerebrovasc Dis 1997; 7(supp 4): 62. (abstract #DIA 14)

Kemp, Jr. WE, et al. Optimal Albunex dosing for enhancement of Doppler tricuspid regurgitation spectra. Am J Cardiol 1997; 79(2): 232-234.

Mahony C, et al. Spontaneous echocardiographic contrast in the thoroughbred: high prevalence in racehorses and a characteristic abnormality in bleeders. Equine Veterinary Journal 1992; 24(2): 129-133.

Meltzer RS, Tickner EG, and RL Popp. Why do the lungs clear ultrasonic contrast? Ultrasound Med Biol 1980; 6(3): 263-269.

Nabavi DG, et al. Potential and limitations of echocontrast-enhanced ultrasonography in acute stroke patients: a pilot study. Stroke 1998; 29(5): 949-954.

Niederkorn, K. The relevance of ultrasonic echoenhancing agents in neurosonology. Presented at the 6th Meeting of Neurosonology Research Group; World Federation of Neurology, Salzburg, Austria, Sept 1-3, 1995. J Neuroimaging 1995; 5(supp 2). (abstract #147)

Pugh C, Arger PH, and CM Sehgal. Power, spectral, and color flow Doppler enhancement by a new ultrasonographic contrast agent. J Ultrasound Med 1996; 15(12): 843-852.

Ries F, et al. Air microbubbles as a contrast medium in transcranial Doppler sonography. A pilot study. J Neuroimaging 1991; 1(4): 173-178.

Ries F, et al. Applications and perspectives of a transpulmonary contrast agent in cerebrovascular imaging. Presented at the 7th Int'l Symposium on Cerebral Hemodynamics, Lake Buena Vista, FL, Feb 6-10, 1993. Stroke 1993; 24(3). (abstract #59)

Ries F. Clinical applications and perspectives of contrast agents in neurosonology. Presented at the 5th Meeting of Neurosonology Research Group; World Federation of Neurology, Toronto, Canada, Sept 1-3, 1993. (abstract)

Russell D, et al. Contrast enhanced Doppler examination of the internal and middle cerebral arteries. Presented at the 5th Meeting of Neurosonology Research Group; World Federation of Neurology, Toronto, Canada, Sept 1-3, 1993. (abstract #61)

Schwarze J, et al. Contrast transcranial Doppler ultrasonography aiding the diagnosis of a patent foramen ovale in patients with a negative transesophageal echocardiogram. Presented at the 6th Meeting of Neurosonology Research Group; World Federation of Neurology, Salzburg, Austria, Sept 1-3, 1995. J Neuroimaging 1995; 5(supp 2). (abstract #23)

Sehgal CM and PH Arger. Mathematical modeling of the dilution curves for ultrasonographic contrast agents. J Ultrasound Med 1997; 16(7): 471-479.

Sitzer M, et al. Usefulness of an ultrasound contrast medium in the characterization and quantification of carotid artery stenosis. Presented at the 6th Meeting of Neurosonology Research Group; World Federation of Neurology, Salzburg, Austria, Sept 1-3, 1995. J Neuroimaging 1995; 5(supp 1). (abstract #150)

Tanabe K, et al. Doppler estimation of pulmonary artery end-diastolic pressure using contrast enhancement of pulmonary regurgitant signals. Am J Cardiol 1996; 78(10): 1145-1148.