As we have learned, worldwide safety standards are highly variable, and treatments with blood are riskier than many assume.
كما رأينا ،‏ تختلف معايير الامان باختلاف المناطق حول العالم ،‏ والمعالجات التي تعتمد على الدم اخطر مما يظنه كثيرون .‏