@article{doi:10.1001/jama.1979.03290470063036, author = {Sagan LA}, title = {Environment, technology, and health: Human ecology in historical perspective}, journal = {JAMA}, volume = {241}, number = {21}, pages = {2315}, year = {1979}, doi = {10.1001/jama.1979.03290470063036}, URL = { + http://dx.doi.org/10.1001/jama.1979.03290470063036}, eprint = {/data/Journals/JAMA/8896/jama_241_21_036.pdf} }