Complex sentence: A pathological, epidemiological and genetic study by Maarit Tanskanen In 1864 he was the first physician to describe chronic childhood arthritis, a disorder that would later become known as Still's disease (named after English physician George Frederic Still 1868-1941).
Split into simpler sentences: A pathological, epidemiological and genetic study by Maarit Tanskanen In 1864 he was the first physician to describe chronic childhood arthritis. However, this disease was to become known as Still's disease, named after English physician George Frederic Still (1868-1941).