Investigating strategies to improve attendance at screening visits in a randomized trial.

Bibliográfalaš dieđut
Váldodahkkit: Chen, F, Rahimi, K, Haynes, R, Naessens, K, Taylor-Clarke, M, Murray, C, Armitage, J
Materiálatiipa: Journal article
Giella:English
Almmustuhtton: 2011