Forster, R.P. & Hannafin, J.A. (1980)
Osmotic and cell volume regulation in atrium and ventricle of the Elasmobranch skate, Raja erinacea. Comparative Biochemistry and Physiology – Part A, Physiology, 65(4), 445–451
DOI: 10.1016/0300-9629(80)90057-2

Forster, R.P. & Hannafin, J.A. (1980)
Taurine uptake in atrial myocardium by a sodium-dependent β-amino acid system in the elasmobranch, Raja erinacea. Comparative Biochemistry and Physiology – Part C, Comparative Pharmacology, 67(2), 107–113
DOI: 10.1016/0306-4492(80)90004-0

Forster, R.P. & Hannafin, J.A. & Goldstein, L. (1978)
Osmoregulatory role of amino acids in brain of the elasmobranch, Raja erinacea. Comparative Biochemistry and Physiology – Part A, Physiology, 60(1), 25–30
DOI: 10.1016/0300-9629(78)90032-4

Boyd, T.A. & Cha, C.-J. & Forster, R.P. & Goldstein, L. (1977)
Free Amino Acids in Tissues of the Skate Raja erinacea and the Stingray Dasyatis sabina: Effects of Environmental Dilution. Journal of Experimental Zoology, 199(3), 435–442
DOI: 10.1002/jez.1401990318

Forster, R.P. & Goldstein, L. (1976)
Intracellular osmoregulatory role of amino acids and urea in marine elasmobranchs. American Journal of Physiology, 230(4), 925–931

Forster, R.P. & Goldstein, L. & Rosen, J.K. (1972)
Intrarenal control of urea reabsorption by renal tubules of the marine elasmobranch, Squalus acanthias. Comparative Biochemistry and Physiology – Part A, Physiology, 42(1), 3–12
DOI: 10.1016/0300-9629(72)90359-3

Goldstein, L. & Forster, R.P. (1971)
Urea biosynthesis and excretion in fresh-water and marine elasmobranchs. Comparative Biochemistry and Physiology – Part B, Comparative Biochemistry, 39(2), 415–421
DOI: 10.1016/0305-0491(71)90186-6

Goldstein, L. & Hartman, S.C. & Forster, R.P. (1967)
On the origin of trimethylamine oxide in the spiny dogfish, Squalus acanthias. Comparative Biochemistry and Physiology, 21(3), 719–722
DOI: 10.1016/0010-406X(67)90467-7

Forster, R.P. (1967)
Osmoregulatory role of the kidney in cartilaginous fishes (Chondrichthys). In P.W. Gilbert, R.F. Mathewson, & D.P. Rall, (Eds.), Sharks, skates and rays. (pp. 187–195). John Hopkins Press, Baltimore

Schooler, J.M. & Goldstein, L. & Hartman, S.C. & Forster, R.P. (1966)
Pathways of urea synthesis in the elasmobranch, Squalus acanthias. Comparative Biochemistry and Physiology, 18(2), 271–281
DOI: 10.1016/0010-406X(66)90186-1

Forster, R.P. & Berglund, F. (1957)
Contrasting inhibitory effects of probenecid on the renal tubular excretion of p-aminohippurate and on the active reabsorption of urea in the dogfish, Squalus acanthias. Journal of Cellular and Comparative Physiology, 49(2), 281–285
DOI: 10.1002/jcp.1030490209