@article{doi:10.1001/jama.1939.02800180083041,
title = {The five sisters: A study of child psychology},
journal = {Journal of the American Medical Association},
volume = {112},
number = {18},
pages = {1859},
year = {1939},
doi = {10.1001/jama.1939.02800180083041},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800180083041},
eprint = {/data/Journals/JAMA/7221/jama_112_18_041.pdf}
}