%0 Journal Article %A C C Poon %A T T Wong %A M C Chan %A H B Wong %T Letter: 11 pairs of ribs in E-trisomy. %D 1975 %R 10.1136/adc.50.1.84-a %J Archives of Disease in Childhood %P 84-84 %V 50 %N 1 %U https://adc.bmj.com/content/archdischild/50/1/84.2.full.pdf