Assertion: schönlein purpura | /r/AtLocation | male
Facets:
value: twice as often
type: TEMPORAL
value: as in females
type: OTHER
Source sentences:
text: Henoch-Schönlein purpura is a nonthrombocytopenic, purpuric and systemic vasculitis of childhood1 that occurs twice as often in males as in females.