TY - JOUR A1 - Vitaliano, P.P. A1 - Scanlon, Z. A1 - Zhang, H.M. T1 - Is caregiving hazardous to one’s physical health? A meta-analysis Y1 - 2003 DO - 10.1037/0033-2909.129.6.946 VL - 129 IS - 6 ER -