@article{doi:10.1001/jama.1919.02610480006003,
author = {WALSH J},
title = {SUperimposed cavities, the possible cause of cracked pot sound},
journal = {Journal of the American Medical Association},
volume = {73},
number = {22},
pages = {1656-1657},
year = {1919},
doi = {10.1001/jama.1919.02610480006003},
URL = { + http://dx.doi.org/10.1001/jama.1919.02610480006003},
eprint = {/data/Journals/JAMA/5681/jama_73_22_003.pdf}
}