Immunization practices and policies: a survey of health insurance plans.
McPhillips-Tangum
Carol
C
CMT Consulting, USA.
Rehm
Bob
B
Hilton
Olivia
O
D003625:Data Collection; D017589:Immunization Programs / Q000458:organization & administration*; D007348:Insurance, Health; D016134:Organizational Policy; D014481:United States