血けっ清せい療りょう法ほう

け

っ

せ

い

りょ

う

ほ

う

Meanings

1

noun

serotherapy; serum therapy

Medical treatment using blood serum, especially immune serum containing antibodies.

blood

清pure, purify, cleanse

療heal, cure

法method, law, rule

血けっ清せい
血清 is blood serum; 血清療法 is the therapeutic use of serum.
免めん疫えき療りょう法ほう
免疫療法 is a broader term for immunotherapy, while 血清療法 specifically uses serum.

Compound of 血清 (blood serum) and 療法 (therapy, treatment).