scholarly journals Vitamin D deficiency during chronic obstructive pulmonary disease exacerbations

2017 ◽  
Vol 11 (4) ◽  
pp. 311
Author(s):  
HassanA Shabana ◽  
NaserK Abdelnaby ◽  
MoustafaS Moustafa ◽  
WaleedR Arafat
Thorax ◽  
2014 ◽  
Vol 69 (Suppl 2) ◽  
pp. A215-A216
Author(s):  
D. Jolliffe ◽  
A. Martineau ◽  
W. James ◽  
K. Islam ◽  
C. Mein ◽  
...  

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