@misc{indiciae5c1d6a24271c, title = {Crossing the threshold.}, author = {Vaughn I Rickert}, year = {2003}, doi = {10.1016/s1054-139x(03)00130-7}, url = {https://pubmed.ncbi.nlm.nih.gov/12890605/}, note = {Source identifier: 12890605} }