82 citations,
April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
50 citations,
October 1986 in “European journal of pediatrics” A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.
July 2022 in “International Journal of Contemporary Pediatrics” Two siblings with a rare type of rickets and hair loss had low vitamin D levels, which is not typical for their condition.
August 2019 in “International journal of contemporary pediatrics” A child with a rare type of rickets showed some improvement with high doses of vitamin D, but such conditions often respond poorly to treatment.
110 citations,
November 1984 in “The American Journal of Medicine” A genetic defect in vitamin D receptors causes severe rickets and hair loss in children, but some heal as they age.