The test couldn't determine whether the treatment was effective.
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The test couldn't determine whether the treatment was effective.
Russian
Тест не смог определить, было ли лечение эффективным.
Spanish
La prueba no pudo determinar si el tratamiento era eficaz.
French
Le test n'a pas permis de déterminer si le traitement était efficace.
German
Der Test konnte nicht feststellen, ob die Behandlung wirksam war.