Scientists from state-backed institutions are seeking government approval for a cancer detection technique that only needs a drop of blood to zero in on RNA molecules linked to more than a dozen types of the killer disease.
https://www.japantimes.co.jp/news/2017/08/20/national/science-health/cheaper-less-invasive-cancer-screening-method-may-available-several-years/#.WZqsJz6GPIU
Japanese experts seek approval for cancer-detection technique requiring only a drop of blood