@misc{indiciae4c9ffdd17ee3,
  title = {Screening test for methylmalonic aciduria utilizing urine-impregnated filter paper samples.},
  author = {D G Carpenter and B L Maddux and C H Carter},
  year = {1972},
  doi = {10.1016/s0022-3476(72)80465-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5016335/},
  note = {Source identifier: 5016335}
}