多囊卵巢综合征 脾肾两虚证 痰湿瘀血 瘀血内阻证 肾虚痰瘀证 黄健玲 polycystic ovary syndrome deficiency of spleen and kidney blood stasis due to phlegmatic hygrosis symptom of blood stasis interior stagnation symptom of phlegmatic stagnation due to kidney deficiency HUANG Jian-ling