@article{doi:10.1001/archinte.1976.03630050053010,
author = {Castell DO},
title = {AChalasia and diffuse esophageal spasm},
journal = {Archives of Internal Medicine},
volume = {136},
number = {5},
pages = {571-579},
year = {1976},
doi = {10.1001/archinte.1976.03630050053010},
URL = { + http://dx.doi.org/10.1001/archinte.1976.03630050053010},
eprint = {/data/Journals/INTEMED/16073/archinte_136_5_010.pdf}
}