title: Keystone pushes its gastroenterologists into the pool.
authors.affiliation: Health Care Group, Plymouth Meeting.
authors.forename: P M
authors.initials: PM
authors.lastname: Bernet
mesh_terms: D017046:Cost Savings; D005762:Gastroenterology / Q000191:economics*; D006279:Health Maintenance Organizations / Q000191:economics*; D006801:Humans; D015271:Insurance Pools / Q000191:economics*; D010414:Pennsylvania