providers: bioregistry: https://bioregistry.io/pmc:PMC3084216 default: http://europepmc.org/articles/PMC3084216 miriam: https://identifiers.org/pmc:PMC3084216 n2t: https://n2t.net/pmc:PMC3084216 ncbi: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084216/?tool=pubmed query: identifier: PMC3084216 prefix: pmc