Vitamin D deficiency and vitamin D receptor FokI polymorphism as risk factors for COVID-19 | Pediatric Research
Vitamin D deficiency symptoms: Breathing problems could be a sign | Express.co.uk
Vitamin D May Be Linked to COPD; Associated with Respiratory Function
Does vitamin D deficiency increase COVID-19 risk?
The 7 Causes of Shortness of Breath – Dr.Berg on Breathing Problems
IJMS | Free Full-Text | Non-Musculoskeletal Benefits of Vitamin D beyond the Musculoskeletal System
Targeting Vitamin D Deficiency to Limit Exacerbations in Respiratory Diseases: Utopia or Strategy With Potential? | Calcified Tissue International
How Are the Symptoms of Low Iron and Vitamin D Deficiency Connected?
How bad breath could be a sign of a vitamin deficiency | Daily Mail Online
Can Low Levels of Vitamin D Cause Serious Health Concerns?
Recent advances in vitamin D implications in chronic respiratory diseases | Respiratory Research | Full Text
Possible association of vitamin D status with lung involvement and outcome in patients with COVID-19: a retrospective study | European Journal of Nutrition
How to get vitamin D without spending too much time in the sun | BCM
Vitamin D Deficiency: The Connection to Depression and Anxiety
Causes and Symptoms of Serious Vitamin D Deficiency – Nu U Nutrition
Vitamin D Deficiency - Physiopedia
Recent advances in vitamin D implications in chronic respiratory diseases | Respiratory Research | Full Text
Signs and Symptoms of a Calcium Deficiency - PharmEasy Blog
Bronchiectasis Study Links Vitamin D Deficiency to Poor Lung Function
Serum vitamin D is associated with improved lung function markers but not with prevalence of asthma, emphysema, and chronic bronchitis | Scientific Reports
The constellation of vitamin D, the acute-phase response, and inflammation | Cleveland Clinic Journal of Medicine
Vitamin D and Chronic Lung Disease: A Review of Molecular Mechanisms and Clinical Studies - ScienceDirect
Anemia disrupts respiratory system activity | Biron
