@misc{indiciae03475dbce3f7,
  title = {Screening with reagent strips.},
  author = {M Briggs and M Chadfield and D Mummery},
  year = {1971},
  doi = {10.1136/bmj.3.5771.433-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5566633/},
  note = {Source identifier: 5566633}
}