Trends in registered psychiatric morbidity and forecasting psychotropic drug needs in Bulgarian hospitals / Zlatka Dimitrova Dimitrova, Vesselin Georgiev Dumanov, Guenka Ivanova Petrova
  Bibliogr.: p. 79.
  In: Acta Pharmaceutica Hungarica. - ISSN 0001-6659. - 1997. 67. évf. 2-3. sz., p. 73-79.