References

Bell IR, Baldwin CM, Schwartz GE, Davidson JRT. Homeopathic
Constitutional Type Questionnaire correlates of conventional
psychological and physical health scales: individual difference characteristics of young adults. Homeopathy 2002; 94: 141-144.

Bell IR, Brooks AJ, Howerter A, et al. Short-term effects of repeated
olfactory administration of homeopathic sulphur or pulsatilla on
electroencephalographic alpha power in healthy young adults. Homeopathy 2011; 100: 203-211.

Bell IR, Howerter A, Jackson N, et al. Effects of homeopathic medicines
on polysomnographic sleep of young adults with histories of coffeerelated
insomnia. Sleep Medicine 2011; 12: 505-511.

Brooks AJ, Bell IR, Howerter A, et al. Effects of homeopathic medicines
on mood of adults with a history of coffee-related insomnia. Forsch
Komplementmed 2010; 17: 250-257.

Davidson JRT, Fisher P, von Haselen R, Woodbury MA, Connor KM. Do
constitutional types really exist? A further study by Grade of
Membership Analysis. British Homeopathic Journal 2001; 90: 138-147.

Van Haselen R, Cinar S, Fisher P, Davidson JRT. The Constitutional Type
Questionnaire: validation in the patient population of the Royal London
Homoeopathic Hospital. British Homeopathic Journal 2001; 90: 131-
137.

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