Difficult cases analysis of gynecological endocrinological diseases 并列题名：Difficult cases analysis of gynecological endocrinological diseases Difficult case analysis of oral mucosal diseases Typical cases of gynecological endocrinology refined analysis 并列题名：Difficult case analysis of oral mucosal diseases Typical cases of menopausal and gynecological endocrinology refined analysis The practical diagnosis of clinical neurological diseases Case analysis of gynecological and obstetric anesthesia Fertility preservation in oncological and non-oncological diseases 并列题名：Typical cases of menopausal and gynecological endocrinology refined analysis