Reference health
Cardiovascular disease competes with breast cancer as the leading cause of death for older females diagnosed with breast cancer: a retrospective cohort study
19/19 checkable references clean · checked 2026-07-23
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
13 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 19 checked references that resolve
resolves10.1200/JCO.2006.09.2106
Breast Cancer Mortality Trends in the United States According to Estrogen Receptor Status and Age at Diagnosis
resolves10.1093/epirev/mxp007
Do Lifestyle or Social Factors Explain Ethnic/Racial Inequalities in Breast Cancer Survival?
resolves10.1186/bcr1639
Hormone receptor status, tumor characteristics, and prognosis: a prospective cohort of breast cancer patients
resolves10.1001/jama.285.7.885
Effect of Age and Comorbidity in Postmenopausal Breast Cancer Patients Aged 55 Years and Older
resolves10.1016/j.ejca.2004.12.025
Less extensive treatment and inferior prognosis for breast cancer patient with comorbidity: A population-based study
resolves10.1016/0021-9681(87)90171-8
A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation
resolves10.1016/0895-4356(92)90133-8
Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases
resolves10.1093/jnci/djn014
Competing Causes of Death From a Randomized Trial of Extended Adjuvant Endocrine Therapy for Breast Cancer
resolves10.7326/0003-4819-120-2-199401150-00002
The Effect of Comorbidity on 3-Year Survival of Women with Primary Breast Cancer
resolves10.1001/jama.294.14.1765
Comorbidity and Survival Disparities Among Black and White Patients With Breast Cancer
resolves10.7326/0003-4819-129-12-199812150-00013
Fifty Years of Death Certificates: The Framingham Heart Study
resolves10.1158/1055-9965.EPI-05-0838
The Effect of Medicare Health Care Delivery Systems on Survival for Patients with Breast and Colorectal Cancer
resolves10.1097/NCC.0b013e3181a52533
Symptom Experiences and Quality of Life of Rural and Urban Older Adult Cancer Survivors
resolves10.1093/jnci/djn015
Time to Remove the Subspecialty Blinders: Breast Cancer Does Not Exist in Isolation
The 13 references without a DOI — listed, not checked
no DOI — not checkedHorner MJ, Ries LAG, Krapcho M, Neyman N, Aminou R, Howlader N, Altekruse SF, Feuer EJ, Huang L, Mariotto A, Miller BA, Lewis DR, Eisner MP, Stinchcomb DG, Edwards BK, (editors): SEER Cancer Statistics Review, 1975-2006. 2009, Bethesda, MD: National Cancer Institute
no DOI — not checkedKlabunde CN, Warren JL, Legler JM: Assessing comorbidity using claims data: an overview. Med Care. 2002, 40 (8 Suppl): IV26-IV35.
no DOI — not checkedNational Cancer Institute: Surveillance Epidemiology and End Results. [
http://seer.cancer.gov/
]
no DOI — not checkedWarren JL, Klabunde CN, Schrag D, Bach PB, Riley GF: Overview of the SEER-Medicare data: content, research applications, and generalizability to the United States elderly population. Med Care. 2002, 40 (8 Suppl): IV3-IV18.
no DOI — not checkedNational Cancer Institute: SEER-Medicare Linked Database. [
http://healthservices.cancer.gov/seermedicare/
]
no DOI — not checkedUS Public Health Service: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM). Hyattsville, MD: National Center for Health Statistics, 92-1260. [
http://www.cdc.gov/nchs/icd/icd9cm.htm
]
no DOI — not checkedAmerican Medical Association: Physicians' Current Procedural Terminology: CPT 95. 1994, Chicago: American Medical Association, 5
no DOI — not checkedUnited Nations: Handbook of Vital Statistics Systems and Methods: Legal, Organization and Technical Aspects. 1991, New York: United Nations, I: Glossary, Series F, No. 35
no DOI — not checkedR package NestedCohort. [
http://cran.r-project.org/web/packages/NestedCohort/index.html
]
no DOI — not checkedCenters for Disease Control and Prevention, The Merck Company Foundation. The State of Aging and Health in America Report. 2007, Whitehouse Station, NJ: The Merck Company Foundation, [
http://apps.nccd.cdc.gov/SAHA/Default/Default.aspx
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no DOI — not checkedCenters for Disease Control and Prevention: National Vital Statistics System Mortality Data. 2010, Hyattsville, MD: National Center for Health Statistics, [
http://www.cdc.gov/nchs/deaths.htm
]
no DOI — not checkedAzim HA, de Azambuja E, Colozza M, Bines J, Piccart MJ: Long-term toxic effects of adjuvant chemotherapy in breast cancer. Ann Oncol.
no DOI — not checkedWorld Health Organization: International Statistical Classification of Diseases and Related Health Problems, 10th Revision (ICD-10). 1994, Geneva: World Health Organization, 2:
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