Penelitian ini kemudian diikuti oleh pernyataan masalah radiasi benda-hitam tahun 1859 yand dikemukakan oleh Gustav Kirchhoff, petunjuk oleh Ludwig Boltzmann tahun 1877 bahwa keadaan energi sebuah sistem fisika dapat berupa diskret, dan hipotesis kuantum tahun 1900 oleh Max Planck.
Hepsera is used to treat adult patients with chronic (long-term) hepatitis B (a disease of the liver due to infection with the hepatitis B virus).It is used in patients with: compensated liver disease (when the liver is damaged but functions normally), who also show signs that the virus is still multiplying, and have signs of liver damage (raised levels of the liver enzyme alanine aminotransferase [ ALT ] and signs of damage when liver tissue is examined under a microscope); decompensated liver disease (when the liver is damaged and does not function normallyWikiMatrix WikiMatrix