@article{doi:10.1001/archpedi.154.3.309, author = {Leung AC and Pion Kao CC}, title = {PIcture of the month}, journal = {Archives of Pediatrics & Adolescent Medicine}, volume = {154}, number = {3}, pages = {309}, year = {2000}, doi = {10.1001/archpedi.154.3.309}, URL = { + http://dx.doi.org/10.1001/archpedi.154.3.309}, eprint = {/data/Journals/PEDS/8519/ppm90396.pdf} }