Name | Info | Provider | Link |
---|---|---|---|
free resource | HighWire | https://gh.bmj.com/lookup/pmidlookup?view=long&pmid=31139448 | |
free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31139448/ | |
free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/31139448 |