SEARCH Articles Figures Tables MQMAS (Multiple quantum magic angle Magic angle spinning technique multiple-quantum effects Magic-angle spinning multiple-quantum spectroscopy Multiple quantum magic MQMAS) Multiple quantum magic angle spinning Multiple quantum magic angle spinning MQMAS) Multiple-quantum magic-angle spinning MQ-MAS) Multiple-quantum magic-angle spinning applications Multiple-quantum magic-angle spinning half-integer spin Multiple-quantum magic-angle spinning pulse sequences Multiple-quantum magic-angle spinning quadrupolar interaction