[=left sacroanterior]左骶前位(胎位)
[=left subclavian artery]左锁骨下动脉
[=leukocyte specific activity]白细胞特异性活性
[=lichen sclerosus and atrophicus]硬化萎缩苔癣
[=lipid-bound sialic acid]脂质结合唾液酸
[=liver specific antigen]肝特异(性)抗原
[=lung surfactant activity]肺表面活性剂活性
[=lymphocyte stimulation assay]淋巴细胞刺激测定
[=lymphosarcoma]淋巴肉瘤