Johnston, S. L. (2007). Asthma: An atlas of investigation and management. Clinical Pub..
Lua i Stíl Chicago (17ú heag.)Johnston, Sebastian L. Asthma: An Atlas of Investigation and Management. Oxford ; Ashland Ohio: Clinical Pub., 2007.
Lua MLA (9ú heag.)Johnston, Sebastian L. Asthma: An Atlas of Investigation and Management. Clinical Pub., 2007.
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