Everything happens. Just keep in mind that the experts may be mistaken as one and the other way. That is sometimes true things wrong "zaparyvayutsya" on examination. This is how some people forget. It is believed that once the conclusion is negative, then this sentence. A similar case was discussed here:
http://forum.artinvestment.ru/showth...=625&highlight =%D0%94%D0%B5%D0%BD%D0%B8%D1%81 +%D0%9B%D1 %83%D0%BA%D0%B0%D1%88%D0%B8%D0%BD
When a mistake in the opposite direction in the examination of Yavlensky.