Analisis utilisasi klaim rawat inap Program Pemeliharaan Kesehatan Pensiunan (PROSPENS) Bringin Life peserta PT. X periode april - november 2011 = Analysis of inpatient claims utilization of Pensioners Health Maintenance Program (PROSPENS) at Bringin Life participants PT. X period April - November 2011 (Fakultas Kesehatan Masyarakat Universitas Indonesia, 2012)