Caracterización de la pluviosidad de Bahía Cumberland (Isla de Robinson Crusoe, Chile)

Description de Hyalomma dromedarii (Koch 1844) Morphologie de la larve et de la nymphe

Les rongeurs de la region de Tehran

Estructura trófica de la asociación de peces intermareales de la costa rocosa del norte de Chile

The trophic relationships of 13 intertidal fish species collected in northern Chile (20°18’S and 20°54’S) from July 1997 to July 1998, the stomach content analysis of 820 specimens, were investigated. The importance of the prey items was assessed by means of gravimetric and frequency of ocurrence methods, together with the Shannon-Wiener (trophic diversity) and Pianka (trophic overlap) indexes....

Etude sur la digestion pancratique de la caseine pour la production de la toxine tetanique

Vaccination antirougeoleuse: Etude de l'immunité humorale chez les enfants Vaccinés de la région de Tunis