Objective measurement of tummy time in infants (0-6 months): A validation study
Crossref DOI link: https://doi.org/10.1371/journal.pone.0210977
Published Online: 2019-02-27
Update policy: https://doi.org/10.1371/journal.pone.corrections_policy
Hewitt, Lyndel http://orcid.org/0000-0002-1442-706X
Stanley, Rebecca M. http://orcid.org/0000-0001-7007-3406
Cliff, Dylan
Okely, Anthony D.
Version of Record valid from 2019-02-27