Unscientific bias.
Sheilds
E D
ED
D015982:Bias; D002170:Canada; D003723:Dental Amalgam / Q000009:adverse effects; D003766:Dental Occlusion; D006801:Humans; D008630:Mercury Poisoning / Q000453:epidemiology / Q000209:etiology; D012107:Research Design; D012941:Social Responsibility; D013690:Television
D003723:Dental Amalgam