@misc{indiciaedec5d6a5d164, title = {"Comorbidity" in an epidemiological sample: a longitudinal perspective.}, author = {F C Verhulst and J van der Ende}, year = {1993}, doi = {10.1111/j.1469-7610.1993.tb01070.x}, url = {https://pubmed.ncbi.nlm.nih.gov/8340444/}, note = {Source identifier: 8340444} }