Sildenafil and bosentan are often co-administered for pulmonary arterial hypertension (PAH) treatment. The plasma concentration of sildenafil can be decreased b
Background: Qin Bing eye drop is prepared with cortex fraxini and borneol. It has been commonly used to relieve the symptoms of photokeratoconjunctivitis (PKC),
Diuretics are drugs widely used in treatment of heart failure and hypertension and as doping agents in sports. Wrong prescription and excessive abuse can lead t
The effects of khat on the hormonal levels have been established;however, the effects on human beings are controversial. The aim of our study was to investigate