1. Allen, R. D. 1974. Food vacuole membrane growth with microtubule-associated membrane transport in Paramecium. J. Cell Biol., 63:904â922.
2. Allen, R. D. & Fok, A. K. 1980. Membrane recycling and endocytosis in Paramecium confirmed by horseradish peroxidase pulse-chase studies. J. Cell Sci., 45:131â145.
3. Allen, R. D. & Fok, A. K. 1983a. Non-lysosomal vesicles (acidosomes) are involved in phagosome acidification in Paramecium. J. Cell Biol., 97:566â570.
4. Allen, R. D. & Fok, A. K. 1983b. Phagosomal fusion vesicles of Paramecium. I. Thin-section morphology. Eur. J. Cell Biol., 29:150â158.
5. Allen, R. D. & Fok, A. K. 1983c. Phagosomal fusion vesicles of Paramecium. II. Freeze-fracture evidence for membrane replacement. Eur. J. Cell Biol., 29:159â165.