uk, Retrieved December 30, 2020 | |
---|---|
com, Retrieved December 29, 2020 | Standard immunizations for children and adolescents: Overview |
Autism spectrum disorder and chronic disease: No evidence for vaccines or thimerosal as a contributing factor | Infants and children birth through age 6 |
---|---|
Centers for Disease Control and Prevention | org, Retrieved December 30, 2020 |
.