<unk> <unk>  is an intermediate in the metabolism of histidine.
The<unk> " test is used to identify deficiency of vitamin B12 or folate deficiency or liver disease.
Formiminoglutamic acid
Sodium stibogluconate
Potassium citrate
Calcium citrate
Strontium ranelate
Bovine serum albumin
Calcium sulfate
Sodium thiosulphate