RT Journal Article SR Electronic T1 Smallpox in Boston a hundred years ago JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 301 OP 301 DO 10.1136/adc.84.4.301 VO 84 IS 4 A1 ARCHIVIST YR 2001 UL http://adc.bmj.com/content/84/4/301.abstract AB