The Shtangist from Democratic People's Republic of Korea got on the letrozol and is disqualified for 4 years

the Weight-lifter from North Korea Kim Gvan Son was convicted by h1 of the dope use, for what disqualified him for 4 years. About it it is reported on the official site of the International federation of weightlifting (IWF).

In an organism of the athlete found the forbidden preparation letrozol. Doping test was taken from Kym Gvan Sona during the World Cup in heavy athletics in Houston in November, 2015. On that tournament the athlete won a silver medal in weight category to 77 kg.
Earlier because of positive doping test on letrozol one more athlete from Democratic People's Republic of Korea — Kim Ng Guk was detached. Source: International federation of heavy athletics