Name | Info | Provider | Link |
---|---|---|---|
free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23194778/ | |
free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/23194778 | |
free resource | Centers for Disease Control and Prevention | https://www.cdc.gov/pcd/issues/2012/12_0127.htm |