Vitamin D deficiency during chronic obstructive pulmonary disease exacerbations
Crossref DOI link: https://doi.org/10.4103/ejb.ejb_35_17
Published Online: 2017-11-03
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Shabana, Hassan A.
Abdelnaby, Naser K.
Moustafa, Moustafa S.
Arafat, Waleed R.
Text and Data Mining valid from 2017-11-03
Article History
Received: 22 April 2017
Accepted: 9 July 2017
First Online: 3 November 2017