title: Technical services companies.
authors.forename: B
authors.initials: B
authors.lastname: Smith
authors.forename: R
authors.initials: R
authors.lastname: Zimmerman
mesh_terms: D003253:Consultants; D003284:Contract Services; D005376:Financial Management / Q000458:organization & administration*; D006801:Humans; D007182:Income; D007183:Income Tax; D011215:Practice Management, Dental / Q000191:economics*