NEFROLOGÍA. Vol. XXII. Suplemento 3. 2002 CONTENTS AMBULATORY BLOOD PRESSURE MONITOTING Guest editors: J. Ocón, J. Herrrera y N. R. Robles · Presentation D. Sanz Guajardo · Introduction J.L. Rodicio · Recommendations for devices for measuring ambulatory blood pressure based on validation evidence E. O'Brien · Ambulatory blood pressure monitoring: cost-effectiveness J. E. Marco · Finapres and Portapres C. Sierra and A. Coca · Non-invasive methods for evaluating the physical properties of big arteries in arterial hypertension J. L. Palma · Home self-meassuring and blood pressure monitoring: alternative or complementary thecniques? J. A. Divisón and L. M. Artigao · Nictameral rythm and neurohumoral relationship. Dippers and non-dipper patients J. Ocón and J. Ibeas · Blood pressure morning increase A. Roca-Cusach · Cuantitative analytical methods for evaluating ambulatory blood pressure regristries A. Díez-Noguera, M. A. Sans-Fuentes and X. Sarrias · Blood pressure variability P. Armario and R. Hernández del Rey · Blood pressure monitoring value for predicting target-organ lesion and cardiovascular events incidence R. C. Hermida, D. E. Ayala and C. Calvo · Ambulatory blood pressure monitoring 2001: registries interpretation C. del Arco and C. Suárez · White coar hypertension N. R. Robles and B. Cancho · Ambulatory blood pressure monitoring in elderly patients J. Herrera, P. Vidau and J. F. Macías · Ambulatory blood pressure monitoring contributions and applications in postmenopausal hypertensives P. Aranda, F. J. Aranda and E. López de Novales