Source Source Source vid namn Avicenna Avicenna Source www.britannica.com/biography/Avicenna Avicenna Source www.britannica.com/biography/Avicenna Avicenna Source ID Encyclopædia Britannica ieraksts Source Avicenna www.britannica.com/biography/Avicenna Avicenna Persian philosopher and scientist Avicenna Persian philosopher and scientist Source 58 years old from severe Colic Avicenna www.britannica.com/biography/Avicenna Encyclopedia Brittanica Source ID Avicenna ID Avicenna Source Ibn Sīnā www.britannica.com/biography/Avicenna Avicenna