Objective We investigated the safety and efficacy of acute vasodilator testing using inhaled iloprost in PAH associated with CHD in children,in comparison with the traditional vasodilator phentolamine.

Changes of spasmolysant airways in different phrases in asthmatic patients after bronchodilation test;

Observation on the intima media thickness of the carotid artery and endothelium-dependent vascular dilation function of brachial artery in patients with periodontiti;