признаках [aafp.org] https://www.aafp.org/afp/2000/0315/p1697.html 70-80 percent https://www.aafp.org/afp/2000/0315/p1697.html [aafp.org] https://www.aafp.org/afp/2000/0315/p1697.html https://www.aafp.org/afp/2000/0315/p1697.html https://www.aafp.org/afp/2000/0315/p1697.html https://www.aafp.org/afp/2000/0315/p1697.html https://www.aafp.org/afp/2000/0315/p1697.html