RT Journal Article SR Electronic T1 Chronic Ulcerative Colitis in Childhood JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 257 OP 261 DO 10.1136/adc.34.175.257 VO 34 IS 175 A1 King, Ronald C. A1 Lindner, Arthur E. A1 Pollard, H. Marvin YR 1959 UL http://adc.bmj.com/content/34/175/257.abstract AB