放血

Mars occidental in Cancer not beheld of Saturn, Jupiter, Venus, or Sun, makes a good phlebotomist.

火星西入巨蟹未与土星、木星、金星、太阳相照，利于放血。

People who give and receive tattoos, piercings, and scarification procedures can also be at risk of infection.

那些接受纹身、穿刺或放血疗法人也有感染危险。