Original sentence: In 1945, Ibnu was appointed a a combined staff and medical officer of the republican army fighting the Dutch for the Palembang regions oil fields and plantations, and once Indonesia's independence was secured in 1949, he worked in the region's civilian health service whilst remaining in active army duty
Edited sentence: In 1945, Ibnu was appointed a combined staff and medical officer of the republican army fighting the Dutch for the Palembang regions oil fields and plantations, and once Indonesia's independence was secured in 1949, he worked in the region's civilian health service whilst remaining in active army duty