| Literature DB >> 23377094 |
Witold Szyfter, Maciej J Wróbel, Joanna Szyfter-Harris, Grażyna Greczka.
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Year: 2013 PMID: 23377094 DOI: 10.1097/EDE.0b013e31827b23a3
Source DB: PubMed Journal: Epidemiology ISSN: 1044-3983 Impact factor: 4.822