Buscar
Mostrando ítems 1-5 de 5
Fecundidad diferencial e inmigrantes nicaragüenses en Costa Rica
(Notas de Población (74) ; p. 27-51, 2002)
Sobre la base de información procedente del registro de nacimientos de
Costa Rica y de la fecundidad relativa de las inmigrantes comprendidas en
una encuesta por muestreo, en este estudio se estima que en 1998 el número
de ...
Individual differences in anticipatory activity to food rewards predict cue-induced appetitive 50-kHz calls in rats
(2015)
Reward-related stimuli come to acquire incentive salience through Pavlovian learning and become capable of
controlling reward-oriented behaviors. Here, we examined individual differences in anticipatory activity elicited
by ...
Intraspecies variation in the venom of the rattlesnake Crotalus simus from Mexico: Different expression of crotoxin results in highly variable toxicity in the venoms of three subspecies
(2013-07)
The composition and toxicological profile of the venom of the rattlesnake Crotalus simus in
Mexico was analyzed at the subspecies and individual levels. Venoms of the subspecies C. s.
simus, C. s. culminatus and C. s. ...
Dynamics in benthic community composition and influencing factors in an upwelling-exposed coral reef on the Pacific coast of Costa Rica
(2015-11-24)
Seasonal upwelling at the northern Pacific coast of Costa Rica offers the opportunity to investigate the effects of pronounced changes in key water parameters on fine-scale dynamics of local coral reef communities. This ...
Oral rehydration and maintenance of children with rotavirus and bacterial diarrhoeas
(Bull World Health Organ. 1979; 57(3): 453–459, 1979)
To determine whether oral glucose-electrolytes therapy could be adapted with equal success to infants with diarrhoea of bacterial and viral etiologies, oral glucose-electrolytes therapy was studied in a setting where all ...