Until the true frequency of functioning tumors is known, all patients with craniocervical paragangliomas or chemodectomas should have routine preoperative determinations of urinary catecholamines ...

SAS PROC MIXED provides the ability to apply autocorrelation to the errors computed by the model and a test of whether this ... have suggested that levels of catecholamines and their metabolites ...

A blood or urine test can measure adrenaline levels. A healthcare provider, such as a primary care provider (PCP) or endocrinologist (a medical doctor specializing in treating hormone-related ...