2

Locating patients lost to follow-up in clinical trials

Year:
1991
Language:
english
File:
PDF, 81 KB
english, 1991
5

“Survivors” or “Friends”?

Year:
2006
Language:
english
File:
PDF, 110 KB
english, 2006
7

Comparison of methods for follow-up by mail

Year:
1991
Language:
english
File:
PDF, 81 KB
english, 1991