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20961
Los Basidiolíquenes de Costa Rica
by Gómez P., Luis Diego
Published 1972
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20962
Contribución al estudio de los peces Cheirodontinae (Familia Characidae) de Costa Rica y Panamá. Géneros Compsura y Pseudocheirodon
by López S., Myrna I.
Published 1972
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20963
Gyromitra chirripoensis nov. sp.
by Gómez P., Luis Diego
Published 1972
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20964
Toxic effect of the fruit of Passiflora adenopoda D. C. on humans: phytochemical determination
by Sáenz, J. A., Nassar, Maryssia
Published 1972
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20965
Presencia de Trypanosoma rangeli Tejera, 1920, en el Perú. I. El insecto vector, Rhodnius ecuadoriensis Lent & León, 1958
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20966
Editorial
by Chavarría, Manuel
Published 1971
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20967
Peces de la cuenca de los grandes lagos de Nicaragua
by Astorqui, Ignacio S. J.
Published 1971
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20968
Notes on fishes from the Gulf of Nicoya, Costa Rica
by Erdman, Donald S.
Published 1971
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20969
Studies on the pulmonary surface-active lipoprotein II. Biophysical characterization of its peptide moiety
by Jiménez, José Miguel
Published 1971
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20970
Weight losses and urine osmolarity in the hypophysectomized-adrenalectomized albino rat
by Morales, Orlando
Published 1971
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20971
Notas sobre carófitos de Costa Rica. II
by Gómez P., Luis Diego
Published 1971
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20972
Population dynamics of Telenomus fariai (Hymenoptera: Scelionidae), a parasite of Chagas' disease vectors. V. Parasite size and vital space
by Rabinovich, Jorge E.
Published 1971
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20973
Palmacites berryanum, a new palm fossil from the Costa Rican Tertiary
by Gómez P., Luis Diego
Published 1971
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20974
Comparative post-natal growth in five species of the genus Sigmodon. I. External morphological character relationships
by Jiménez Jiménez, Jorge
Published 1971
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20975
Immunoelectrophoretic comparison ol Trypanosoma vespertilionis and Trypanosoma cruzi
by Bice, David E., Zeledón, Rodrigo
Published 1971
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20976
Effects of glucose, time and temperature on bacterial growth in urine
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20977
Tres serpientes albinas de Nicaragua
by Villa, Jaime, Rivas, Alfredo
Published 1971
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20978
Contribución al conocimiento de los nemátodos que parasitan a los reptiles de México. II. Sobre una nueva fisalóptera parásita de iguánidos (Sceloporus torquatus torquatus Wiegmann, 1828)
by Caballero R., Guillermina
Published 1971
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20979
Desarrollo y crecimiento del ápice vegetativo en Acnistus arborescens. I. Estructura, cambios plastocrónicos y primeros estadios en el desarrollo de la hoja
by Mora, Dora Emilia
Published 1971
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20980
A new subspecies of the squirrel Sciurus variegatoides Ogilby from Costa Rica
by McPherson, A. B.
Published 1971
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