[The value of 3-methoxy-4-hydroxy-mandlic acid (MHMA) for the differential diagnosis of neural tumors in childhood].
D002395:Catecholamines / Q000378:metabolism*; D003937:Diagnosis, Differential; D006801:Humans; D008333:Mandelic Acids / Q000031:analogs & derivatives; D009447:Neuroblastoma / Q000652:urine*
D002395:Catecholamines; D008333:Mandelic Acids; C037938:mandelic acid
CATECHOLAMINES/metabolism; MANDELIC ACID/related compounds; NEUROBLASTOMA/urine