%0 Journal Article %T Enhanced Surveillance of Nonfatal Emergency Department Opioid Overdoses in California %J Archive of "Online Journal of Public Health Informatics". %D 2019 %R 10.5210/ojphi.v11i1.9918 %X To track and monitor nonfatal emergency department opioid overdoses in California for use in the statewide response in the opioid epidemic %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6606270/