PT - JOURNAL ARTICLE AU - Helen Williams TI - Midline mystery AID - 10.1136/archdischild-2012-302212 DP - 2012 Dec 01 TA - Archives of disease in childhood - Education & practice edition PG - 216--216 VI - 97 IP - 6 4099 - http://ep.bmj.com/content/97/6/216.short 4100 - http://ep.bmj.com/content/97/6/216.full SO - Arch Dis Child Educ Pract Ed2012 Dec 01; 97