Is there a particular type of meditation that has the most positive impact on minimizing the sensations of pain?

The Effects of Meditation on Chronic Pain

These 4 questions have to be addressed in the literature review. APA format for the entire paper please.
Can meditation minimize suffering for the chronic pain sufferer?
Can meditation have a positive effect on the perception of pain in the chronic pain sufferer?
Is there a particular type of meditation that has the most positive impact on minimizing the sensations of pain?
Can meditation decrease the use of medication in chronic pain sufferers?