This definition appears somewhat frequently
See other definitions of PARR
Samples in periodicals archive:
Original Article. Telmisartan, Ramipril, or Both in Patients at High Risk for Vascular Events. The ONTARGET Investigators. N Engl J Med 2008; 358:1547-1559 April 10...
Weak oversight allows lab failures to put patients at risk From drug screens to vital medical tests, secretive system hides lab problems from the public