PT - JOURNAL ARTICLE AU - C J Kistin AU - H Bauchner TI - A picture is worth a thousand words AID - 10.1136/adc.2007.136192 DP - 2008 Dec 01 TA - Archives of disease in childhood - Education & practice edition PG - 177--189 VI - 93 IP - 6 4099 - http://ep.bmj.com/content/93/6/177.short 4100 - http://ep.bmj.com/content/93/6/177.full SO - Arch Dis Child Educ Pract Ed2008 Dec 01; 93