title: Matter of Spring.
mesh_terms: D002908:Chronic Disease; D003657:Decision Making; D005066:Euthanasia, Passive; D005190:Family; D006801:Humans; D007603:Jurisprudence; D007872:Legal Guardians; D008404:Massachusetts; D016743:Mental Competency; D010820:Physicians; D006435:Renal Dialysis; D028761:Withholding Treatment