The systematic review commissioned by Cass on the outcomes of puberty blocking interventions is here: https://doi.org/10.1136/archdischild-2023-326669
The authors' quality assessment of each study is here: https://adc.bmj.com/content/archdischild/early/2024/04/09/ar...
Of the 50 studies in that list, which of these do you suspect were excluded for dubious reasons?