Name | Info | Provider | Link |
---|---|---|---|
free resource | HighWire | https://jcp.bmj.com/lookup/pmidlookup?view=long&pmid=4537824 | |
free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/4537824/ | |
free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/4537824 |