1. Phytoflagellates as a source of food for Tetrahymena;Hall;Proc. Am. Soc. Protozool.,1950
2. Effects of certain antimetabolites on growth of Chilomonas paramecium;Hall;J. Protozool.,1955
3. The effect of purines on the action of sulfonamides;Harris;J. Biol. Chem.,1941
4. Growth requirements of Streptococcus mitis and sulfonamide resistance;Harrison;Proc. Soc. Exptl. Biol. Med.,1950