Reliability and reproducibility of classification of children as “bleeders” versus “non-bleeders” using a questionnaire for significant mucocutaneous bleeding - Hedlund-Treutiger,I.; Revel-Vilk,S.; Blanchette,V.S.; Curtin,J.A.; Lillicrap,D.; Rand,M.L. (J Pediatr Hematol Oncol, 2004)