1. Sawa M, Okubo A, Okuno Y, Shimizu H. Determination of aqueous protein concentration by laser slit-lamp microscope. Nippon Ganka Gakkai Zasshi. 1987;91:102–6 (in Japanese).
2. Sawa M, Tsurimaki Y, Tsuru T, Shimizu H. New quantitative method to determine protein concentration and cell number in aqueous in vivo. Jpn J Ophthalmol. 1988;32:132–42.
3. Kronfeld PC. The protein content of the aqueous humor in man. Am J Ophthalmol. 1941;24:1121–31.
4. Krause U, Raunio V. The protein of the pathologic human aqueous humor. Ophthalmologica. 1970;16:280–7.
5. Zirm M. Proteins in aqueous humor. Adv Ophthalmol. 1980;40:100–72.