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International Classification of Disease, Ninth Revision

Known as: ICD-9, ICD9, International Classification of Diseases, Ninth Revision 
The ninth version of the International Classification of Diseases (ICD), published by the World Health Organization in 1977.
National Institutes of Health

Papers overview

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Review
2014
Review
2014
Global Stroke Statistics
In many countries, stroke is a lower priority than other diseases despite its public health impact. One issue is a lack of… 
Highly Cited
2011
Highly Cited
2011
Skin conditions are the commonest new reason people present to general practitioners in England and Wales
Background  Knowledge of the prevalence and incidence of skin conditions is a prerequisite for designing clinical services and… 
Highly Cited
2005
Highly Cited
2005
Length of gestation is associated with mortality from cerebrovascular disease
Recent studies reported on increased levels of adult cardiovascular risk factors in subjects born prematurely,1 and on… 
Highly Cited
2002
Highly Cited
2002
Diabetes increases the risk of acute hepatic failure.
BACKGROUND & AIMS It is unclear whether patients with diabetes are at an increased risk of developing acute liver failure (ALF… 
Review
2001
Review
2001
A systematic review of discharge coding accuracy.
BACKGROUND The aim of the study was to review systematically the literature measuring the accuracy of routine UK hospital… 
Review
1998
Review
1998
Risk factors for noncompliance with glaucoma follow-up visits in a residents' eye clinic.
Highly Cited
1994
Highly Cited
1994
PM10, ozone, and hospital admissions for the elderly in Minneapolis-St. Paul, Minnesota.
Several recent studies have reported associations between airborne particles and/or ozone and hospital admissions for respiratory… 
Highly Cited
1994
Highly Cited
1994
Factors associated with early discharge from a multidisciplinary work rehabilitation program for chronic low back pain
Highly Cited
1993
Highly Cited
1993
T‐cells and psychopathology in schizophrenia: relationship to the outcome of neuroleptic therapy
Until recently, attention has been focused on the pathogenetic aspects of immunological findings in schizophrenic patients. There… 
Highly Cited
1990
Highly Cited
1990
The epidemiology of ophthalmic malignancies in New York State.
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