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Keyword
- propensity score2
- survival analysis2
- Apocrine Carcinoma1
- Biostatistics1
- Chemotherapy1
- Colon cancer1
- Head and Neck Cancer1
- NCDB1
- Oncology1
- Propensity Score1
- Propensity Score Matching1
- Prostate Cancer1
- Survival1
- Vitamin D deficiency1
- biostatistics1
- cervical esophageal cancer1
- cystic fibrosis1
- generalized propensity score1
- national cancer database1
- observational studies1