51812022-01-23 15:49:50

https://heho.com.tw/archives/82610

参考资料 

A pilot, open labelled, randomised controlled trial of hypertonic saline nasal irrigation and gargling for the common cold

https://www.nature.com/articles/s41598-018-37703-3

Cost-effectiveness of gargling for the prevention of upper respiratory tract infections

https://pubmed.ncbi.nlm.nih.gov/19087312/