@misc{indiciaebf05f0a01d96, title = {Modeling transitions in latent stage-sequential processes: a substance use prevention example.}, author = {J W Graham and L M Collins and S E Wugalter and N K Chung and W B Hansen}, year = {1991}, doi = {10.1037//0022-006x.59.1.48}, url = {https://pubmed.ncbi.nlm.nih.gov/2002142/}, note = {Source identifier: 2002142} }