Ann Intern Med. 2017 Jul 18;167(2):122-124. doi: 10.7326/M17-0230. Epub 2017 May 16.
Annals of internal medicine
J Michael McWilliams
PMID: 28505630 PMCID: PMC5513746 DOI: 10.7326/M17-0230
[No abstract available.]