TY - RPRT TI - Changes in functional competency in the oldest old. A longitudinal study. AU - S H Zarit AU - B Johansson AU - B Malmberg PY - 1995 DO - 10.1177/089826439500700101 UR - https://pubmed.ncbi.nlm.nih.gov/10172778/ ID - 10172778 ER -