Figure 4
Recruitment of subgroups by mass mailing and email. Note: percent recruited with mass mailing and email within subgroups will not add to 100% as those recruited with other methods are not displayed.
Figure 4 | Trials
Recruitment of subgroups by mass mailing and email. Note: percent recruited with mass mailing and email within subgroups will not add to 100% as those recruited with other methods are not displayed.
Trials