Meissner also added that thimerosal is included in most multi-dose vaccines administered around the world because single-dose vials are more expensive, and removing thimerosal could increase the costs of vaccines. สล็อตเว็บตรง
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Meissner also added that thimerosal is included in most multi-dose vaccines administered around the world because single-dose vials are more expensive, and removing thimerosal could increase the costs of vaccines. สล็อตเว็บตรง