Complex sentence: In 1884, he helped re-organize the Southern California Medical Society, and in 1886 he helped establish the "Southern California Practitioner", the society's monthly journal, serving as an editor for the first few years.
Split into simpler sentences: In 1884, he helped re-organize the Southern California Medical Society. In 1886 he helped establish the "Southern California Practitioner", the society's monthly journal, and served as an editor for the first few years.