title: [Brief introduction of primary professional health service].
authors.forename: Chen
authors.initials: C
authors.lastname: Yu
authors.forename: De-hong
authors.initials: DH
authors.lastname: Li
authors.forename: Fang
authors.initials: F
authors.lastname: Qi
mesh_terms: D000062:Accidents, Occupational / Q000517:prevention & control; D006801:Humans; D009784:Occupational Diseases / Q000175:diagnosis; D009786:Occupational Health Services / Q000458:organization & administration*