1. Backon J (1988) Changes in blood glucose levels induced by differential forced unilateral nostril breathing, a technique which affects both brain hemisphericity and autonomic activity. Med Sci Res 16: 1197–1199
2. Backon J (1989) An animal analogue of forced unilateral nostril breathing: relevance for physiology and pharmacology. Med Hypoth 28:173–175
3. Belmonte C, Bartels SP, Liu JHK, Neufeld AH (1987) Effects of stimulation of the ocular sympathetic nerves on IOP and aqueous humor flow. Invest Ophthalmol Vis Sci 28: 1649–1654
4. Broughton R (1975) Biorhythmic variations in consciousness and psychological functions. Can Psychol Rev 16:217–239
5. Cottle MH (1980) A consideration of nasal, pulmonary and cardiovascular interdependence and nasal-pulmonary function studies. Rhinology 18:67–81