Multicenter Study

A new noninvasive method to measure blood pressure: results of a multicenter trial.

Anesthesiology. 1999 Sep 1;91(3):686-92.
Comparative Study

Uncalibrated radial and femoral arterial pressure waveform analysis for continuous cardiac output measurement: an evaluation in cardiac surgery patients.

J. Cardiothorac. Vasc. Anesth. 2010 Apr 1;24(2):257-64.
Randomized Controlled Trial

Heparinized saline versus normal saline in maintaining patency of the radial artery catheter.

Can J Surg. 1994 Feb 1;37(1):37-42.