title: On-call duties total over 7.5 days a month for 25% of surgeons.
authors.forename: Patrick
authors.initials: P
authors.lastname: Sullivan
mesh_terms: D000328:Adult; D000368:Aged; D002170:Canada; D005194:Family Practice; D013502:General Surgery; D006801:Humans; D008875:Middle Aged; D011795:Surveys and Questionnaires; D016526:Workload / Q000706:statistics & numerical data*