Lee K, Sung TS, Koh BH, Ryoo S, Chun JN, Kim S, Park KJ, So I.  Distribution and Function of Platelet-derived Growth Factor Receptor Alpha-positive Cells and Purinergic Neurotransmission in the Human Colon: Is It Different Between the Right and Left Colon?.  J Neurogastroenterol Motil 2022;28:678-692.  https://doi.org/10.5056/jnm21117