METHODS Twenty-four male hypertension rats and WKY rats of 4 weeks old were randomly divided into control group, hydrogen sulfide group and PPG group, respectively.

• 方法 4wb WKY大鼠24只,随机分为WKY对照组(n=8)、WKY+H_2S组(n=8)及WKY+PPG组(n=8)。