My edit: Extra "S8" to all my references to ResMed devices Within this previous article, Because the definition of hypopnea was improved by ResMed within the later on S9 series machines.g = ???  /  mg = ???? ???  /  µg ?? mcg = ????????  /  IU = ???? ??? ??????Practically threw the whole Pack of 3 absent when i found that it's not serving to