So close: remaining challenges to eradicating polio
Crossref DOI link: https://0-doi-org.brum.beds.ac.uk/10.1186/s12916-016-0594-6
Published Online: 2016-03-14
Published Print: 2016-12
Update policy: https://0-doi-org.brum.beds.ac.uk/10.1007/springer_crossmark_policy
Toole, Michael J.
License valid from 2016-03-14