Objective After micro-teaching. sandwich teaching method and case-based learning (CBL) method were successively applied to training eight-year clinical medical students and evaluating the effects of sandwich +CBL teaching in improving communication confidence. Methods All medical students who studied in the eight-year clinical medicine of Peking Union Medical College and entered the s... https://www.parisnaturalfoodes.shop/product-category/unfilt-apple-cider-vinegar/