@article{PfeifferHanackKoppetal.1990,
  author    = {A. Pfeiffer and C. Hanack and R. Kopp and R. Tacke and U. Moser and E. Mutschler and G. Lambrecht and M. Herawi},
  title     = {Human Gastric Mucosa Expresses Glandular M3 Subtype of Muscarinic Receptors},
  journal   = {Digestive Diseases and Sciences},
  volume    = {35},
  number    = {12},
  year      = {1990},
}