Sell, RPS ; Junqueira, LFB
https://discovery.ucl.ac.uk/id/eprint/10084353/1/The%20Heart%E2%80%99s%20Emptiness%20X%C4%AAN%20X%C5%AA%E5%BF%83%E8%99%9B%20Interpretations%20on%20the%20Book%20of%20Chinese%20Medicine%20HU%C3%81NG%20D%C3%8C%20N%C3%88I%20J%C4%AANG%20L%C3%8DNG%20SH%C5%AA%20%E9%BB%83%E5%B8%9D%E5%85%A7%E7%B6%93%E9%9D%88%E6%A8%9E.pdf.  , 2013