Centers for Disease Control and Prevention (CDC), and the Canadian PublicHealthAssociation.
疾病控制中心和预防(CDC)和加拿大公共卫生协会。
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Back in 2003, the American PublicHealthAssociation - the oldest and largest in world - called for a moratorium of factory farming because they saw something like this would happen.
Yet it has not been easy to curb smoking in public psychiatric hospitals, according to researchers from the National Association of State Mental Health Program Directors research Institute.