Interpreting studies from databases.
Costa
M L
ML
Krikler
S J
SJ
D003627:Data Interpretation, Statistical; D016208:Databases, Factual; D004573:Electrolytes / Q000097:blood*; D005265:Femoral Neck Fractures / Q000097:blood* / Q000401:mortality* / Q000601:surgery; D006801:Humans; D016896:Treatment Outcome; D014508:Urea / Q000097:blood*
D004573:Electrolytes; D014508:Urea