(Q42672012)
Statements
1 reference
Pitfalls in nonrandomized outcomes studies. The case of incidental appendectomy with open cholecystectomy (English)
1 reference
S W Wen
1 reference
R Hernandez
1 reference
C D Naylor
1 reference
1 December 1995
1 reference
1 reference
Identifiers
1 reference