International Journal of Epidemiology, 2018, 358 doi: 10.1093/ije/dyx275 Advance Access Publication Date: 25 December 2017 Erratum Erratum An introduction to instrumental variables for epidemiologists Sander Greenland Int J Epidemiol 2000; 29: 722-729. DOI: https://doi.org/10.1093/ije/29.4.722. On page 724, there was a typographical error in See also a previous erratum for this article at Int J equation (1). The final term “– (1 – p )m ” should be Epidemiol 2000; 29: 1102 (https://doi.org/10.1093/oxford 1 0n “ þ (1 – p )m ”, such that the equation correctly reads: journals.ije.a019909). 1 0n m ¼ p m þ p m þð1 – p Þm 1 1c 1n 0n c 0 1 V The Author(s) 2017; all rights reserved. Published by Oxford University Press on behalf of the International Epidemiological Association 358 Downloaded from https://academic.oup.com/ije/article-abstract/47/1/358/4774623 by Ed 'DeepDyve' Gillespie user on 16 March 2018
International Journal of Epidemiology – Oxford University Press
Published: Feb 1, 2018
It’s your single place to instantly
discover and read the research
that matters to you.
Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.
All for just $49/month
Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.
Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.
It’s easy to organize your research with our built-in tools.
Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.
All the latest content is available, no embargo periods.
“Hi guys, I cannot tell you how much I love this resource. Incredible. I really believe you've hit the nail on the head with this site in regards to solving the research-purchase issue.”Daniel C.
“Whoa! It’s like Spotify but for academic articles.”@Phil_Robichaud
“I must say, @deepdyve is a fabulous solution to the independent researcher's problem of #access to #information.”@deepthiw
“My last article couldn't be possible without the platform @deepdyve that makes journal papers cheaper.”@JoseServera