Zien v. RETIREMENT BD. OF FIREMEN'S ANNUITY & BEN. FUND OF CHICAGO , 236 Ill. App. 3d 499 ( 1992 )
Sjostrom v. Sproule , 33 Ill. 2d 40 ( 1965 )
Field Enterprises v. Industrial Commission , 37 Ill. 2d 335 ( 1967 )
Unger v. Continental Assurance Co. , 107 Ill. 2d 79 ( 1985 )