Upper gastrointestinal bleeding due to peptic ulcer disease is not associated with air pollution: a case-crossover study
Crossref DOI link: https://doi.org/10.1186/s12876-015-0363-6
Published Online: 2015-10-14
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Quan, Samuel
Yang, Hong
Tanyingoh, Divine
Villeneuve, Paul J.
Stieb, David M.
Johnson, Markey
Hilsden, Robert
Madsen, Karen
van Zanten, Sander Veldhuyzen
Novak, Kerri
Lang, Eddy
Ghosh, Subrata
Kaplan, Gilaad G.
License valid from 2015-10-14