RT Journal Article SR Electronic T1 Poliomyelitis in Pakistan and Afghanistan JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 47 OP 47 DO 10.1136/archdischild-2012-303390 VO 98 IS 1 YR 2013 UL http://adc.bmj.com/content/98/1/47.abstract AB