@incollection{a1c_glycated_hemoglobin_2026,
  author = {Clark, Russell},
  title = {A1C (Glycated Hemoglobin)},
  booktitle = {CFP Weight Loss Glossary},
  year = {2026},
  url = {https://glossary.cfpweightloss.com/a1c-glycated-hemoglobin}
}