Care of Children With a Hypocalcemic Crisis 
Guidelines from the Medical College of Georgia.
http://www.mcg.edu/pediatrics/pedsendo/hypocalcemia.htmeMedicine - Hypocalcemia 
Provides a background, clinical aspects, differentials, and treatment for this condition.
http://www.emedicine.com/emerg/topic271.htm
Hypocalcemia 
Describes this condition, the signs, symptoms, diagnostic evaluation, and therapy.
http://www.clevelandclinicmeded.com/diseasemanagement/endocrinology/hypocal/hypocal.htm
Hypocalcemia: Diagnosis and Treatment 
Covers the clincal features, factitious causes, associations with chronic illness and thyroid surgery. From Endotext.
http://www.endotext.org/parathyroid/parathyroid7/parathyroid7.htm
Signs of Hypocalcemia: Chvostek’s and Trousseau’s Signs 
Features the physical predictors associated with this condition. Includes illustrations.
http://www.turner-white.com/pdf/hp_mar00_hypocal.pdf