So, they put the cells in cultures, chicken cells, dumped the virus on it, and it would pile up, and they would say, this is malignant and this is normal.
そして鶏の培養細胞に このウイルスをふりかけ 細胞が増えて塊になると これが悪性で これは良性だと 皆はそんな実験をしたのです