@article{JockelSchneiderStoelzelHessetal.2022,
  author    = {Yvonne Jockel-Schneider and Peggy Stoelzel and Jeanine Hess and Imme Haubitz and Stefan Fickl and Ulrich Schlagenhauf},
  title     = {Impact of a specific collagen peptide food supplement on periodontal inflammation in aftercare patients — a randomised controlled trial},
  journal   = {Nutrients},
  volume    = {14},
  number    = {21},
  doi       = {10.3390/nu14214473},
  year      = {2022},
}