Subjects: *CONSERVATION of natural resources; *RESEARCH; *FERRANS & Powers Quality of Life IndexCHINA
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Subjects: *EPIDEMIOLOGY; *NOMOGRAMS in electronics; *AKAIKE information criterion
Subjects: *POLLUTANTS; *AIR pollution; *MORTALITY
Subjects: *COLORECTAL cancer; *CANCER invasiveness; *METASTASIS
Subjects: *GESTATIONAL trophoblastic disease; *CANCER chemotherapy; *EARLY death
Subjects: *POLYMERS; *DRUG delivery systems; *THERAPEUTICS
Subjects: *OPIOID abuse; *METHADONE treatment programs; *IMPULSIVE personality
Subjects: *GLIOMAS; *BRAIN tumors; *POSITRON emission tomography
Subjects: *PANCREATIC tumors; *LOG-rank test; *HEAD & neck cancer
Subjects: *RESEARCH; *RESEARCH methodology; *MEDICAL cooperationCHINA