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Challenge is considered to be one of the key components of game-play, where game designers face the tricky task of getting the balance right so that game-play is neither too easy nor too difficult. Through attempting in-game challenges, players experience cycles of breakdown and breakthrough, where breakthroughs involve moments of insight in which learning… (More)
It was analyzed the results of studies comparing an efficiency of minimally invasive methods in treatment of varicose veins of lower extremities. Based on presented data similar efficiency of minimally invasive methods and conventional surgical treatment was proved. The graph reflecting remote results was made.