Pye, C., Chatters, R., Cohen, J., Brian, K., Cheong, Y. C., Laird, S., Mohiyiddeen, L., Skull, J., Walters, S., Young, T., & Metwally, M. (2018). Induced endometrial trauma (endometrial scratch) in the mid-luteal menstrual cycle phase preceding first cycle IVF/ICSI versus usual IVF/ICSI therapy: Study protocol for a randomised controlled trial. BMJ Open, 8(5), e020755. https://doi.org/10.1136/bmjopen-2017-020755