Drupal-Bibcite0<style face="normal" font="default" size="100%">A Three-Stage Model for Innovation Adoption in Health Systems: Insights from the Health Promotion and System Strengthening Project in Tanzania</style><style face="normal" font="default" size="100%">A Three-Stage Model for Innovation Adoption in Health Systems: Insights from the Health Promotion and System Strengthening Project in Tanzania</style>