Daggett P
Lancet. 1976 Oct 16;2(7990):830-1. doi: 10.1016/s0140-6736(76)91212-5.
The measurement of integrated concentrations of catecholamines has been made possible by a new blood-sampling system. Information about the behaviour of phaeochromocytomas obtained in three patients suffering from this condition suggests that catecholamine crises are caused by active synthesis of hormones, rather than release from a stored pool.