Insert your card <a href=" http://www.cedenpa.org.br/Noticias ">Aygestin 5 Mg</a> Sergei Koshelev, the head of the Russian Defense Ministry military cooperation department, said Tuesday that Russia had no obligation to invite Chinese observers to watch the exercise as it had been conducted more than 100 kilometers (60 miles) from the border, the ITAR-Tass news agency reported.