@article{doi:10.1001/jama.1969.03160300078036, title = {AMerican journal of diseases of children, chicago}, journal = {JAMA}, volume = {210}, number = {4}, pages = {738-740}, year = {1969}, doi = {10.1001/jama.1969.03160300078036}, URL = { + http://dx.doi.org/10.1001/jama.1969.03160300078036}, eprint = {/data/Journals/JAMA/8533/jama_210_4_036.pdf} }