@article{doi:10.1001/archpsyc.1959.03590050120015,
author = {EFRON HY and MARKS HK and HALL R},
title = {A comparison of group-centered and individual-centered activity programs},
journal = {A.M.A. Archives of General Psychiatry},
volume = {1},
number = {5},
pages = {552-555},
year = {1959},
doi = {10.1001/archpsyc.1959.03590050120015},
URL = { + http://dx.doi.org/10.1001/archpsyc.1959.03590050120015},
eprint = {/data/Journals/PSYCH/12057/archpsyc_1_5_015.pdf}
}