It tends to be unrelated to physical exertion and unresponsive to nitroglycerin.
It tends to be unrelated to physical exertion and unresponsive to nitroglycerin.
疼痛往往与体力活动无关，对硝酸甘油也无反应。
It tends to be unrelated to physical exertion and unresponsive to nitroglycerin.
疼痛往往与体力活动无关，对硝酸甘油也无反应。