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  • Introduction to dental lasers 

    Mulder, Riaan; Karic, Vesna; Melman, Geoffrey (South African Dental Association, 2016)
    It was Albert Einstein who in 1917 defined the theory of the Stimulated Emission of Radiation, developing and expanding on the work of Niels Bohr, who in 1913 had formulated the Spontaneous Emission theory. Einstein ...