автор: C. van Loveren

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1 Электронные книги C. van Loveren

C. van Loveren: Toothpastes
With the mass-marketed introduction of fluoride in toothpaste in the 1950s, toothbrushing with paste became indispensable for good oral health. Both the industry and the dental profession had a share …
EPUB
английский
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€214.99