1. Ross AJ, Medow MS, Rowe PC, Stewart JM. What is brain fog? an evaluation of the symptom in postural tachycardia syndrome. Clin Auton Res. 2013；23：305–11.

2. Gregory WY. Gluten‐induced cognitive impairment (“brain fog”) in coeliac disease. Journal of Gastroenterology and Hepatology. 2017；32 : 90-3.

3. Rachel W, Felix P, Stephen B, Amanda P, Mathias B, Dennis HL. Brain fog in postural tachycardia syndrome: An objective cerebral blood flow and neurocognitive analysis. Journal of Arrhythmia. 2020；36(3) : 549-52.

4. Handono K, Mirza ZP, Ernes M, Eden SW, Pratista AK, Kusworini H. Accelerated immune aging was correlated with lupus‐associated brain fog in reproductive‐age systemic lupus erythematosus patients. International Journal of Rheumatic Diseases ；2020. (23)；5 : 620-6.

5. Park KM, Choi SH. The comparative study of 『sanghanron』 and 『hwangjenaegyeong』 through historical study on 『gangpyung sanghanron』. J. Korean Medical Classics. 1995；9 : 263-300.

6. Lee SJ, Lim JE. A diagnostic system and clinical application based on <shanghanlun> six meridian patterns and provisions. Seoul：KMediACs publishing house. 2013.

7. Lee SI. Comparison of shanghanlun. Seoul：KMediACs publishing house. 2015：24,28, 203.

8. Multidimensional fatigue inventory mfi-20. Rehabilitation Oncology. 1998；16(2) : 29-30.

9. Ha YS. Hanjaeowonsajeon. Pusan：Doseochulpan3. 2015：243,270.

10. Richard S. Chinese etymology. “Etymology search result of 無”. 2020. https://hanziyuan.net/

11. Lee SJ, Kim NG. A Case report of psoriasis treated by baekhogainsam-tang. The Journal of KMediACS. 2015；7(1)：21-7.

12. Hwangbo M, Jeong MJ, Seo HS. A case report of child with alopecia areata. Journal of Korean Oriental Pediatrics. 2012；26(2)：47-52.

13. Park SG, Jo EH, Choi HG, Hong JE, Park MC. Clinical differences between baekho-tang and baekhogainsam-tang through skin disease case. Korean Journal of Oriental Medical Prescription. 2019；27(2)：179-87.

14. Kim JW, Jeong SH, Jeong SH, Shin GC, Lee WC. Oriental treated one case of hydrodipsomania in elderly diabetic patient with backhogainsam-tang. Journal of the Society of Stroke on Korean Medicine. 2003；4(1)：79-84.

15. Park JK. A case report: the effect of baekhogainsam-tang on hypersomnolence. The Journal of KMediACS. 2019；11(1)：63-71.

16. Yoon HJ, Lee SI, Byun SH. 2 Cases of baekhogainsam-tang treatment on attention deficit/hyperactivity disorder (ADHD) children. The Journal of KMediACS. 2019；11(1)：11-26.