Hydrogen is easily the most abundant element in the universe. It is found in the sun and most of the stars, and the planet Jupiter is composed mostly of hydrogen. On Earth, hydrogen is found in the greatest quantities as water.
Ling developed the system of massage and rhythmic movement called the âSweden movement treatment,â also referred to as âmedical gymnasticsâ or the âLing system.â8 Ling suffered from chronic health problems, including rheumatism. He discovered that his daily regimen of exercise and manual therapy had a beneficial effect on his health.
Medical Classification and Coding Systems. (in order of development) Coding System Description. London Bills of Mortality â¢ Developed during the latter part of the 16th century. â¢ Considered the first classification system. â¢ Bills were collected and collated by parish clerks (with no medical. training).