title: Michigan's voluntary health data base.
authors: Michigan State Medical Society, East Lansing.
authors: G B
authors: GB
authors: Bluhm
authors: J L
authors: JL
authors: Lester
mesh_terms: D003625:Data Collection; D016208:Databases, Factual; D007253:Information Centers; D007297:Inpatients / Q000706:statistics & numerical data*; D008824:Michigan