临床前期 preclinical stage ; pre-clinical ; pre-clinical duration of disease ; preclinical stage or presymptomatic stage

临床前期病变 Preclinical Atherosclerosis ; PCA

临床前期实习 Preclinical Teaching Program

存在临床前期 DPCP

临床前期教学 Preclinical teaching program

胚胎着床前期 Preimplantation stages of the embryo

牙周病学临床前期教学 pre-clinical education of periodontology

着床前囊胚期内细胞团 inner cell mass ; ICM