TY - JOUR A1 - Rosenthal, C.J. A1 - Martin-Matthews, A. A1 - Matthews, S.H. T1 - Caught in the middle? Occupancy in multiple roles and help to parents in a national probability sample of Canadian adults Y1 - 1996 DO - 10.1093/geronb/51B.6.S274 JF - Journal of Gerontology: Social Sciences VL - 51B IS - 6 SP - S274 EP - -S283 ER -