抽象的

Neurons, Viruses, Infectious Diseases and Vaccinations: A Stake of Public Health

Jacqueline LE Goaster, Anne-Lise Haenni

Top-levelled international football and rugby teams usually train in teams on other sports such as volleyball or handball. Sportsmen work on their flexibility, their quickness, and the group cohesion. The problem of the top-levelled sports teams consist in training altogether: quickness, efficiency, and coordination exercises in other special fields.