TY  - GEN
AU  - Billings,J
TI  - Medical evidence quality: a cause for uncertainty. Part II
SN  - 0739-9413
PY  - 1988///0229
KW  - Carotid Arteries
KW  - surgery
KW  - Cerebrovascular Disorders
KW  - prevention & control
KW  - Clinical Trials as Topic
KW  - Data Collection
KW  - Endarterectomy
KW  - standards
KW  - Humans
KW  - Outcome and Process Assessment, Health Care
KW  - Technology Assessment, Biomedical
KW  - United States
N1  - Publication Type: Clinical Trial; Journal Article
ER  -