作為 さくい 比較 ひかく試験 しけんじゃなかったです
musakuika hikakushikenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 無作為化比較試験

1. Was not a comparative test of non-action.; Was not a comparative test of passivity.

Past/Perfective
Negative
Polite
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