Does vitamin D deficiency worsen the clinical and functional parameters of stable chronic obstructive pulmonary disease patients?
Crossref DOI link: https://doi.org/10.4103/ejb.ejb_44_19
Published Online: 2020-01-21
Published Print: 2019-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Abd Elnaby, Esmat A.
Abd Elnaiem, Samah S.
Mostafa, Amira I.
Sabry, Dina
Haswa, Mohamed K.
Text and Data Mining valid from 2019-12-01
Article History
Received: 17 May 2019
Accepted: 19 November 2019
First Online: 21 January 2020