TY - RPRT TI - The MMPI: regional difference or normal aging? AU - P M Koeppl AU - K Bolla-Wilson AU - M L Bleecker PY - 1989 DO - 10.1093/geronj/44.4.p95 UR - https://pubmed.ncbi.nlm.nih.gov/2738315/ ID - 2738315 ER -