Warning: Undefined array key "mm" in /www/wwwroot/www.ai-bt.com/si.php on line 10 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.ai-bt.com/si.php on line 10 Multicenter trials and travel: luxury or necessity?

Literature DB >> 1963131

Multicenter trials and travel: luxury or necessity?

Abstract

Source DB: PubMed Journal: Control Clin Trials ISSN： 0197-2456

× No keyword cloud information.

1 in total

Authors: M M McKinney; J P Morrissey; A D Kaluzny
Journal: Health Serv Res Date: 1993-10 Impact factor: 3.402

1 in total