(Q39279745)
Statements
1 reference
HMOs and utilization of emergency medical services: a metropolitan survey (English)
1 reference
Hossfeld G
1 reference
Ryan M
1 reference
1 April 1989
1 reference
1 reference
18
1 reference
4
1 reference
374-377
1 reference
Identifiers
1 reference
1 reference