1. Fine structure of the goblet cell mucous secretory process;Freeman, J.A.;Anatomical Record,1962
2. Goblet cell fine structure;Freeman, J.A.;Anatomical Record,1964
3. Electron microscopic studies on the conjunctiva, sclera, cornea and lens crystalline;Fujiyama, H.;Acta Societatis Ophthalmologicae Japonicae,1961
4. Investigations of the conjunctival mucin. Quantitative studies of the goblet cells of the conjunctiva;Kessing, S.V.;Acta Ophthalmologica,1966
5. Mucous gland system of the conjunctiva. A quantitative normal anatomic study;Kessing, S.V.;Acta Ophthalmologica,1968