During WWII, Japanese and Nazi doctors committed heinous experimental medical atrocities. Yet, those performed by the Nazi doctors were deemed “crimes against humanity,” whereas those performed by Japanese doctors were disregarded despite the many similarities. The doctors in both countries who carried out diabolical experiments regarded their victims as sub-human, not worthy of living.

https://ahrp.org/1947-nuremberg-doctors-trial-1948-japan-enacts-eugenic-protection-law/