"it must be left to the future to repeat the study under better controlled conditions" in German It must be left to the future to repeat the study under better controlled conditions. Es bleibt der Zukunft vorbehalten, die Studie unter besser kontrollierten Bedingungen zu wiederholen. Detailed translations for "it must be left to the future to repeat the study under better controlled conditions" It must be left to the future to repeat the study under better controlled conditions. It must be left to the future to repeat the study under better controlled conditions. Es bleibt der Zukunft vorbehalten, die Studie unter besser kontrollierten Bedingungen zu wiederholen.