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Sarkar S, Amelung PJ (Σεπτέμβριος 2006). «Evaluation of the dyspneic patient in the office». Prim. Care33 (3): 643–57. doi:10.1016/j.pop.2006.06.007. PMID17088153.
Saracino A (Οκτώβριος 2007). «Review of dyspnoea quantification in the emergency department: is a rating scale for breathlessness suitable for use as an admission prediction tool?». Emerg Med Australas19 (5): 394–404. doi:10.1111/j.1742-6723.2007.00999.x. PMID17919211.