(Q44466342)
Statements
1 reference
Accuracy of ICD-9-CM codes in detecting community-acquired pneumococcal pneumonia for incidence and vaccine efficacy studies (English)
1 reference
Breiman RF
1 reference
File TM Jr
1 reference
Plouffe JF
1 reference
Guevara RE
1 reference
Butler JC
1 reference
Marston BJ
1 reference
1 February 1999
1 reference
1 reference
Identifiers
1 reference