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  1. Article

    LACK OF RESPONSE OF BRAIN AND ADRENAL BLOOD FLOW TO HYPOXEMIA IN THE FETAL LLAMA

    The fetus of sheep a species that evolved in lowlands, responds to hypoxemia (H) by maintaining cardiac output and umbilical-blood flow, increasing heart, brain and adrenal blood flow and decreasing it to othe...

    R Riquelme, C Gaete, F Caray, J Carrasco, M Espinoza, G Cabello in Pediatric Research (1992)

  2. Article

    ONTOGENY OF THE RED CELL CHARACTERISTICS IN THE LLAMA FETUS

    Although the species has evolved at high altitudes, adult llamas have low hematocrits (small red cells plus a high number of erythrocytes). Hemaglobin concentrations, are similar to species that have evolved i...

    E Sanhueza, M E Lathrop, C Rabasa, C Gaete, R Riquelme, M Zagolín in Pediatric Research (1992)

  3. Article

    MATERNAL ADMINISTRATION OF THYROTROPIN-RELEASING HORMONE (TRH) AND BETAMETHASONE (B) INCREASES LUNG COMPLIANCE IN PREMATURE LAMBS

    Administration of TRH and B to mothers decreases the incidence of bronchopulmonary dysplasia in premature babies. Fetal administration of TRH and Cortisol at 0.85 of gestation increases lung compliance in prem...

    F A Moraga, E Jiménez, R Riquelme, E Sanhueza, C Gaete, V Marín in Pediatric Research (1992)

  4. Article

    NEUROPEPTIDH Y (NPY) PARTICIPATES IN THE CARDIOVASCU- LAR REGULATION IN THE NEWBORN LAMB

    NPY, a 36 aminoacid peptide, is one of the most active vasocon-trictor agents in the systemic and pulmonary circulation. NPY plasma concentration in adults increases during stress. Human newborns have high pla...

    J Carrasco, E Sanhueza, C Gaete, R Riquelme, Vh Parraguez, A Daniels in Pediatric Research (1990)