Bolland, M. J., Avenell, A., & Grey, A. (2018). Assessment of research waste part 1: An exemplar from examining study design, surrogate and clinical endpoints in studies of calcium intake and vitamin D supplementation. BMC Med Res Methodol.

Bolland, Mark J., Alison Avenell, und Andrew Grey. "Assessment of Research Waste Part 1: An Exemplar From Examining Study Design, Surrogate and Clinical Endpoints in Studies of Calcium Intake and Vitamin D Supplementation." BMC Med Res Methodol 2018.

Bolland, Mark J., Alison Avenell, und Andrew Grey. "Assessment of Research Waste Part 1: An Exemplar From Examining Study Design, Surrogate and Clinical Endpoints in Studies of Calcium Intake and Vitamin D Supplementation." BMC Med Res Methodol 2018.