APA (7th ed.) Citation

Pan, L. H., Ling, Y., Wang, S., Al-Hassany, L., Chen, W., Chiang, C., . . . Martelletti, P. Hallmarks of primary headache: Part 2– Tension-type headache. BMC.

Chicago Style (17th ed.) Citation

Pan, Li-Ling Hope, et al. Hallmarks of Primary Headache: Part 2– Tension-type Headache. BMC.

MLA (9th ed.) Citation

Pan, Li-Ling Hope, et al. Hallmarks of Primary Headache: Part 2– Tension-type Headache. BMC.

Warning: These citations may not always be 100% accurate.