. . . . "the observed biological effect of a known standard substance used to verify test sensitivity and organism responsiveness." . . . "Reference substance response" . "reference substance response in study" . . . . "Christos Vasileiou" . "2026-02-11T14:01:16.902Z"^^ . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "t+4Te5Su0ozRHagiaC0kvqIMyV/GMyp3rkYF1hyWCvCwm7ljD4F6rIBU6vDXrnj9Tt9q3NqGXQAkZQdQAfDuhnkTVHt2Xc9RcTHGy4VZsE98wCdepM2FGnvhs+wcMLMS8v/NhUX7ChcpBHVenIc30JL9XuKmnsIyIsrObBeDZ34Se/1Qy6J9Q2sF1TMpDLuOgRiOQwzzMK7o7exa9bUaZ42llHPBrdc9hKeA+s5V0L6KGVRBO+jQ65cKLcnn/GtwgiDjfxjFF+7UfCQgz2oJLoSwT77RYEL8O4PZw8huMX2Zh4worUO0/uMXooq1UEkFx196V056ZeEultgc8iaaLQ==" . . .