Name | Info | Provider | Link |
---|---|---|---|
subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S0140-6736(11)60649-1 | |
free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21612820/ | |
free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/21612820 |