Vitamin D deficiency in urban Poland: what are the implications?

Vitamin D deficiency in urban Poland: what are the implications? Pol Arch Med Wewn. 2016 Aug 25;126(7-8):468-70 Authors: Kühn T PMID: 27578219 [PubMed - in process]
Source: Polskie Archiwum Medycyny Wewnetrznej - Category: Internal Medicine Tags: Pol Arch Med Wewn Source Type: research