Reflections on Methodological Approaches to Telephone Follow-ups in Clinical Trials of Traditional Chinese Medicine 
WANG Tianyuan,SUN Xing,HU Jing,FENG Shuo,ZHANG Huina,WANG Hong,LI Bo
Chinese General Practice . 2021, (2): 248 -252 .  DOI: 10.12114/j.issn.1007-9572.2020.00.633