We are seeking males and females, ages 30 to 60, to participate in a paid telephone research study about headaches.
The research study will involve a one hour telephone interview and a homework assignment.
Those who participate in this research study will be paid $250 for their time and opinions.
The research study will involve a one hour telephone interview and a homework assignment.
Those who participate in this research study will be paid $250 for their time and opinions.
