In medical studies, the efficacy of medical treatments (called interventions) is evaluated within a group of study participants. You will be given a sentence of a study report in which your task is to list the phrases that describe the intervention(s) of the study. You should list the phrase in the same order that they appear in the text, separated by commas. If no information about the interventions is mentioned, just answer with "not found". Interventions are: a specific drug, surgery, talking therapy, a lifestyle modification, control or placebo treatment. Do not include details, dosages, frequency and duration, intervention mentions that are not in an informative span of text.

In a prospective , randomized , double-blind study , 90 paediatric patients , ASA I , aged 4-10 years , received granisetron 40 mg kg-1 or perphenazine 70 mg kg-1 ( n = 45 each ) intravenously immediately after an inhalation induction of anaesthesia .
granisetron, perphenazine

The results confirm the importance of psychological factors in early RA and their relative independence from physical findings .
not found

The influence of injections of Amidotrizoate and Iopromide into the left coronary artery on global myocardial perfusion and function ( pressures in the left ventricle , heart rate ) as well as excitation formation and transmission was studied in 16 patients with ischaemic heart disease .

Amidotrizoate, Iopromide