@article{doi:10.1001/jama.1939.02800330075030,
title = {Problems of ageing: Biological and medical aspects},
journal = {Journal of the American Medical Association},
volume = {113},
number = {8},
pages = {709},
year = {1939},
doi = {10.1001/jama.1939.02800330075030},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800330075030},
eprint = {/data/Journals/JAMA/7313/jama_113_8_030.pdf}
}