Bah humbug! Association between sending Christmas cards to trial participants and trial retention: randomised study within a trial conducted simultaneously across eight host trials.

Autor:	Coleman, Elizabeth, Arundel, Catherine, Clark, Laura, Doherty, Laura, Gillies, Katie, Hewitt, Catherine, Innes, Karen, Parker, Adwoa, Torgerson, David, Treweek, Shaun
Předmět:	HUMAN research subjects PATIENT participation RANDOMIZED controlled trials STATISTICAL sampling HOLIDAYS
Zdroj:	BMJ: British Medical Journal; 12/18/2021, Vol. 375 Issue 8319, p1-10, 10p
Databáze:	Complementary Index
Externí odkaz:	Zobrazit plný text záznamu