Since 1992, the American Dental Association has required manufacturers of toothpaste to include the phrase "Use only a pea-sized amount (of toothpaste) for children under six" on fluoride toothpaste labels with the ADA Seal of Acceptance.
(the American Dental Association; has required; manufacturers of toothpaste; to include the phrase; T:Since 1992) (manufacturers of toothpaste; to include; the phrase "Use only a pea-sized amount (of toothpaste) for children under six" on fluoride toothpaste labels with the ADA Seal of Acceptance)
the American Dental Association manufacturers of toothpaste
has required to include
manufacturers of toothpaste to include the phrase T:Since 1992
the phrase "Use only a pea-sized amount (of toothpaste) for children under six" on fluoride toothpaste labels with the ADA Seal of Acceptance