@article{doi:10.1001/archpsyc.1971.01750140014004,
author = {Polak P},
title = {SOcial systems intervention},
journal = {Archives of General Psychiatry},
volume = {25},
number = {2},
pages = {110-117},
year = {1971},
doi = {10.1001/archpsyc.1971.01750140014004},
URL = { + http://dx.doi.org/10.1001/archpsyc.1971.01750140014004},
eprint = {/data/Journals/PSYCH/12208/archpsyc_25_2_004.pdf}
}