Leung Felix W
Sepulveda Ambulatory Care Center, Veterans Affairs Greater Los Angeles Healthcare System, North Hills, California, United States.
David Geffen School of Medicine at University of California at Los Angeles, Los Angeles, California, United States.
Endosc Int Open. 2020 Jan;8(1):E3-E5. doi: 10.1055/a-0959-6057. Epub 2020 Jan 8.