Event of Esthma

Reference 1: Low dietary calcium is associated with self-rated depression in middle-aged Korean women

Reference 2: Lower Serum Calcium Levels Associated with Disrupted Sleep and Rest–Activity Rhythm in Shift Workers

Reference 3: The effect of low serum calcium level on the severity and mortality of Covid patients: A systematic review and meta‐analysis

Reference 4: Effects of Vitamin D Supplementation on COVID-19 Related Outcomes: A Systematic Review and Meta-Analysis

Reference 5: Vitamin D and Bronchial Asthma: An Overview of Data From the Past 5 Years

Reference 6: Efficacy of different doses and time intervals of oral vitamin D supplementation with or without calcium in elderly nursing home residents

Reference 7: Effects of the Usage of l-Cysteine (l-Cys) on Human Health