In 1960, the American Dental Association recognised Procter & Gamble's fluoride-filled Crest toothpaste as effective against tooth decay.
(the American Dental Association; recognised; Procter & Gamble's fluoride-filled Crest toothpaste as effective against tooth decay; T:In 1960)
the American Dental Association
recognised
Procter & Gamble's fluoride-filled Crest toothpaste as effective against tooth decay T:In 1960