@misc{indiciae847202f64782,
  title = {Biofeedback system with interchangeable modules for applied research and clinical practice in underdeveloped countries.},
  author = {A R Zapata-Ferrer and O Danglada and I A Pérez-Guerrero},
  year = {1986},
  doi = {10.1007/bf02446272},
  url = {https://pubmed.ncbi.nlm.nih.gov/3657324/},
  note = {Source identifier: 3657324}
}