Annually on third Sunday of June the Day of Medical Worker is celebrated in Russia. Doctors and other specialists working in this field get congratulations on the Medic Day. The Ancora company offers you a unique collection of Avicenna Pens, which is dedicated to one of the greatest medical scientists in history not only of the East, but the entire world. Ibn Sina (Avicenna) wrote more than 450 works in 29 discipline, only 274 of which reached these days. "The Canon of Medicine" Avicenna gained world fame.