@misc{indiciaec88c5964eca5, title = {The circulation time in the aged.}, author = {J L Willems and J R Roelandt and H R Van de Vel and J V Joossens}, year = {1971}, doi = {10.1016/0002-9149(71)90252-9}, url = {https://pubmed.ncbi.nlm.nih.gov/5100916/}, note = {Source identifier: 5100916} }