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S. A. SKULL,
R. M. ANDREWS,
G. B. BYRNES,
D. A. CAMPBELL,
T. M. NOLAN,
G. V. BROWN
and H. A. KELLY
(2008).
ICD-10 codes are a valid tool for identification of pneumonia in hospitalized patients aged 65 years. Epidemiology and Infection,
136
,
pp 232-240
doi:10.1017/S0950268807008564