[P4–158]: PRE‐SCREENING FOR EPISODIC MEMORY DEFICITS CAN ENRICH FOR ELIGIBLE SUBJECTS IN EARLY ALZHEIMER's DISEASE CLINICAL TRIALS. (1st July 2017) - Abbott, Rosemary A.; Cormack, Francesca K.; Engelborghs, Sebastiaan; Timmers, Maarten; Randolph, Christopher; Zavitz, Kenton; Streffer, Johannes