@article{doi:10.1001/archpsyc.1979.01780080007001,
author = {Zis AP and Goodwin FK},
title = {INtroduction},
journal = {Archives of General Psychiatry},
volume = {36},
number = {8},
pages = {833-834},
year = {1979},
doi = {10.1001/archpsyc.1979.01780080007001},
URL = { + http://dx.doi.org/10.1001/archpsyc.1979.01780080007001},
eprint = {/data/Journals/PSYCH/12316/archpsyc_36_8_001.pdf}
}