@article{doi:10.1001/archpedi.1969.02100040810034, author = {ENGEL R}, title = {Handbuch der kinderheilkunde: Neurologie-psychologie-psychiatrie}, journal = {American Journal of Diseases of Children}, volume = {118}, number = {5}, pages = {808-809}, year = {1969}, doi = {10.1001/archpedi.1969.02100040810034}, URL = { + http://dx.doi.org/10.1001/archpedi.1969.02100040810034}, eprint = {/data/Journals/PEDS/12859/archpedi_118_5_034.pdf} }