Pubertal testicular volume references for ruler, orchidometer, and ultrasonography measurements based on a longitudinal follow‐up. - Koskela, Mikael; Virtanen, Helena E.; Rodprasert, Wiwat; Jahnukainen, Kirsi; Toppari, Jorma; Koskenniemi, Jaakko J. (Andrology, 2024)