TY - JOUR A1 - Margolis, R. A1 - Chai, X. A1 - Verdery, A.M. A1 - Newmyer, L. T1 - The physical, mental, and social health of middle-aged and older adults without close kin in Canada Y1 - 2022 DO - 10.1093/geronb/gbab222 VL - 77 IS - 7 ER -