@misc{indiciae2d6bc50b46df, title = {Future directions.}, author = {C Ham and J Calltorp and M Rosenthal}, year = {1992}, doi = {10.1016/0168-8510(92)90017-6}, url = {https://pubmed.ncbi.nlm.nih.gov/10119964/}, note = {Source identifier: 10119964} }