Parental knowledge, attitudes, and practices associated with not receiving hepatitis A vaccine in a demonstration project in Butte County, California.
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E. Simard | B. Bell | H. Yusuf | B. Bardenheier | M. L. Washington | M. Massoudi | F. Averhoff | Edgar P. Simard | Idalia M González | I. Hyams | Idalia M. González