double vaginal speculum
tubular vaginal speculum
bivalve
双壳类
双阀
合瓣口具
滤食性贝类
双壳贝
双壳贝类
两片的
二枚贝
二片介壳的
两瓣的
双壳
bivalve rectal speculum
Abnormal uterine and vaginal bleeding unspecified
Abnormal vaginal bleeding
Amphotericin B Vaginal Effervescent Tablets
anal atresia with vaginal fistula