Attachments
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Research
Massachusetts Medical Society, Web page
Please link to the article in online versions of your report (the URL will go live after the embargo ends).
Journal/
conference: New England Journal of Medicine
conference: New England Journal of Medicine
Research:Paper
Organisation/s:
Mid-Michigan District Health Department, USA
Funder:
Disclosure forms provided by the authors are available after the embargo lifts with the full text of this letter at NEJM.org.