TY - GEN AU - Grunkemeier,G L AU - Starr,A TI - Reply to correspondence on randomization in surgical studies SN - 0966-8519 PY - 1994///0202 KW - Bias KW - Clinical Trials as Topic KW - statistics & numerical data KW - Heart Valve Prosthesis KW - Humans KW - Observer Variation KW - Prosthesis Design KW - Prosthesis Failure KW - Randomized Controlled Trials as Topic N1 - Publication Type: Letter ER -