S. Borstnar, “Ribociclib plus letrozole in patients with hormone receptor‐positive, HER2‐negative advanced breast cancer with no prior endocrine therapy: subgroup analysis from the phase 3b CompLEEment‐1 trial: Subgroup analysis of the CompLEEment‐1 trial”, Radiol Oncol, vol. 56, no. 2, pp. 238–247, Jul. 2022.