Search results for: 'gp varia animal attractions nature on display in american zoos'

GONA, A.G. Radioiodine Studies on Prolactin Action in Tadpoles Incl. Tax., + Shipping

GRASSI-MILANO, E., DI CASTRO, M., MANELLI, H. Effect of Human Chorionic Gonadotropin on the Gonads on Rana esculenta in Organotypic Culture during Metamorphosis Incl. Tax., + Shipping

PIPER, G.D., deROOS, R. Evidence for a Corticoid-Pituitary Negative Feedback Mechanism in the American Bullfrog (Rana catesbeiana) Incl. Tax., + Shipping

DE GROOT, L.J. Current Views on Formation of Thyroid Hormones Incl. Tax., + Shipping

KADENBACH, B. Effect of Thyroid Hormones on Mitochondrial Enzymes Incl. Tax., + Shipping

UCHIYAMA, M., PANG, P.K.T. Endocrine Influence on Hypercalcemic Regulation in Bullfrog Tadpoles Incl. Tax., + Shipping

ROBERTSON, D.R., SWARTZ, G.E. Observations on the Ultimobranchial Body in Rana pipiens Incl. Tax., + Shipping

TENCER, R. The Effect of 5-Fluorodeoxyuridine on Amphibian Embryos Incl. Tax., + Shipping

TURNER, R.J. Effects of Splenectomy on Amphibian Antibody Responses Incl. Tax., + Shipping

GOSS, R.J. Effects of Maternal Nephrectomy on Fetal Kidneys Incl. Tax., + Shipping

KASHIWAGI, A. Studies on Alkaline Phosphatase Activity in Amphibians. III. Effects of Inhibitor and Temperature on Alkaline Phosphatases in Japanese Amphibians Incl. Tax., + Shipping

JACKSON, I.M.D., REICHLIN, S. Thyrotropin-Releasing Hormone in the Blood of the Frog, Rana pipiens - its Nature and Possible Derivation from the Regional Locations in the Skin Incl. Tax., + Shipping

EDWARDS, J.L. Spinal Nerves and Their Bearing on Salamander Phylogeny Incl. Tax., + Shipping

VOROBYEVA, E.I. On Mono- or Polyphyletic Origin of the Tetrapods Incl. Tax., + Shipping

PLYTYCZ, B., FABER, J. New Data on Subcutaneous Lymph Sacs in Anuran Amphibians Incl. Tax., + Shipping

SIMS, R.T. The Action of Phenyl-Thiourea on Melanogenesis in Xenopus laevis Incl. Tax., + Shipping

WRIGHT, R.M., LERNER, A.B. On the Movement of Pigment Granules in Frog Melanocytes Incl. Tax., + Shipping

WOLSKY, A., DOI, N.V. The Effect of Actinomycin on Regeneration Processes in Amphibians Incl. Tax., + Shipping

GUARDABASSI, A. et al. Effects of Prolactin on Thyroidectomized Bufo bufo Larvae Incl. Tax., + Shipping

FRIEDEN, E., WESTMARK, G.W. On the Anomalous Activtiy of Thyroxin Analogs in Tadpoles Incl. Tax., + Shipping

COHEN, A.G. Observations on the Pars Intermedia of Xenopus laevis Incl. Tax., + Shipping

SZARSKI, H., KUJBIDA, E. Observations on the Blood-Vascular System of Rana palmipes Incl. Tax., + Shipping

BOSE, A. A Study on the Ontogeny of Kidney in Chick Incl. Tax., + Shipping

TIHEN, J.A. Comments on the Origin of the Amniote Egg Incl. Tax., + Shipping