Chronic illness and subjective quality of sleep in the elderlyDr. I. Räihä,M. Seppälä,O. Impivaara… · Aging Clinical and Experimental Research · 1994

Sleep problems, health-related quality of life, work functioning and health care utilization among the chronically illMichael Manocchia; San Keller; John E. Ware · 2001

Sleep Problems, Health-Related Quality of Life, Work Functioning and Health Care Utilization among the Chronically IllMichael Manocchia, San Keller and John E. Ware · Quality of Life Research · 2001

Radiometric Calibration of LIDAR Intensity With Commercially Available Reference TargetsKaasalainen, S.; Hyyppa, H.; Kukko, A.; Litkey, P.; Ahokas, E.; Hyyppa, J.; Lehner, H.; Jaakkola, A.; Suomalainen, J.; Akujarvi, A.; Kaasalainen, M.; Pyysalo, U. · 2009

[IEEE [IGARSS '92 International Geoscience and Remote Sensing Symposium - Houston, TX (1992)] [Proceedings] IGARSS '92 International Geoscience and Remote Sensing Symposium - Forest Inventory Using Forest Canopy ProfilesHyyppa, J.; Hallikainen, M.; Hyyppa, H. · 1992

L-tryptophan and sexual behaviour.Hyyppa, M T · BMJ · 1976

Radar-derived standwise forest inventoryHyyppa, J.; Pulliainen, J.; Hallikainen, M.; Saatsi, A. · 1997

SPIE Proceedings [SPIE AeroSense '99 - Orlando, FL (Monday 5 April 1999)] Laser Radar Technology and Applications IV - <title>Evaluation of laser scanner data in forest areas</title>Samberg, Andre; Hyyppa, Juha M.; Ruppert, Georg S.; Hyyppa, Hannu; Ziegler, Michaela; Schardt, Mathias; Soininen, Arttu; Kamerman, Gary W.; Werner, Christian · 1999

The seasonal behavior of interferometric coherence in boreal forestKoskinen, J.T.; Palliainen, J.T.; Hyyppa, J.M.; Engdahl, M.E.; Hallikainen, M.T. · 2001

Sleep in monozygotic twin pairs discordant for obesityKronholm, E.; Aunola, S.; Hyyppa, M. T.; Kaitsaari, M.; Koskenvuo, M.; Mattlar, C. E.; Ronnemaa, T. · Journal of Applied Physiology · 1996