Pengaruh paparan pasta gigi Theobromine dan Hydroxyapatite terhadap kekerasan mikro email gigi setelah perendaman dalam minuman berkarbonasi = Effect of theobromine and hydroxyapatite toothpaste to enamel microhardness after immersion in carbonated drink / Michelle Suryana - Michelle Suryana, author (Fakultas Kedokteran Gigi Universitas Indonesia, 2014)