@article{doi:10.1001/jama.1939.02800250028016,
title = {THe relief of pain in childbirth},
journal = {Journal of the American Medical Association},
volume = {112},
number = {25},
pages = {2604-2605},
year = {1939},
doi = {10.1001/jama.1939.02800250028016},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800250028016},
eprint = {/data/Journals/JAMA/7268/jama_112_25_016.pdf}
}