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affinity-isolated antibody Aurino Torrente automated calibration system by-pass engine coast polypodies columbarian diplex system downthrow fault EFDL (emitter follower diode logic) Gannther's tests intragenic (muller 1941) loss of turgidity mortice and tenon joint nuclear converter Pallister-Hall syndrome pressure-temperature saturating curve P-T radiation density matrix spark cutting Stephanachne nigrescens Thurmansbang