Controlled Clinical Trials
Controlled Clinical Trials > 1996 > 17 > 3 > 258-265
Controlled Clinical Trials > 1996 > 17 > 3 > 209-220
Controlled Clinical Trials > 1996 > 17 > 3 > 201-208
Controlled Clinical Trials > 1996 > 17 > 3 > 242-257
Controlled Clinical Trials > 1996 > 17 > 3 > 221-225
Controlled Clinical Trials > 1996 > 17 > 3 > 226-234
Controlled Clinical Trials > 1996 > 17 > 3 > 191-200