00285nam a2200109Ia 450000500170000008000170001710000160003424500730005026000250012330000090014858300180015720260716043732.0 a15.04.02 Y12 aYach, Derek aChronic disease and disability of the poor : tackling the challenges b[s.n.]a[S.l.]c2000 a9 p. c9/26/06kJOYD