Collectively bargained welfare plans--retiree benefits--promise of lifetime health benefits--vesting of welfare benefits. [electronic resource] - Benefits quarterly 2010 - 50-1 p. digital Publication Type: Journal Article; Legal Case ISSN: 8756-1263 Subjects--Topical Terms: AgedHealth Benefit Plans, Employee--legislation & jurisprudenceHumansInsurance Coverage--legislation & jurisprudenceMichiganNegotiatingRetirement