1. On the histochemistry and ultrastructure of age pigment;Strehler,1964
2. Lipofuscin and ceroid formation: the cellular recycling system;Harman,1990
3. Questioning the nature of the fluorophores in age pigments;Eldred,1987
4. Quantification of lipofuscin: A critique of the current methodology;Sohal,1987
5. Mechanisms of lipofuscin formation;Brunk,1990