1. The haemodynamic effects of unsupplemented nitrous oxide-oxygen relaxant anaesthesia in cardiac patients;L., Dottori; M., Korsgren; Ax, son Lof B.; L, Wilhelmsen;Acta Anaesthesiologica Scandanavica,1976
2. Analgesic effects of nitrous oxide with controlled painful stimuli;F., Dworkin S.; M., Schubert M.; N., Chen A.C.; W, Clark D.;Anmerican Journal of the Dental Association,1983
3. Simultaneous evaluation of cardiorespiratory and analgesic effects of nitrous oxide-oxygen analgesia;B., Everett G.; D, Allen G.;Journal of the Anmerican Dental Association,1971
4. Self administered nitrous oxide: an adjunct analgesic;N., Flomembaum; J., Gallagher E.; K., Eagen; S, Jacobson;Journal of the American College of Emergency Physicians,1979
5. Nitrous oxide - oxygen sedation in dental care;L., Hallonsten A.; G., Koch; U, Schroder;Comnmunity Oral and Dental Epidemiology,1983