in order to evaluate the efficacy of oral administration of a pharmacological dose of folic or of folinic acid to prevent the folate deficiency in patients with inflammatory bowel disease ( ibd ) treated with salicylazosulfapyridine ( sasp ) ( 1g twice daily at meal times ) , two groups of 15 patients with ibd received 15 mg/day of folic or folinic acid for one month .
C0016412
folate deficiency
C0023413
folinic acid