@misc{indiciae09694603f46b, title = {NorthMed HMO.}, author = {J Christianson and S Krein}, year = {1998}, doi = {10.1111/j.1748-0361.1998.tb00625.x}, url = {https://pubmed.ncbi.nlm.nih.gov/9825614/}, note = {Source identifier: 9825614} }