Reference for Yevamot 122:2
אמר רב הונא מאי טעמא דר' יהודה דכתיב (הושע ד, י) אכלו ולא ישבעו הזנו ולא יפרוצו כל ביאה שאין בה פירצה אינה אלא בעילת זנות
It was taught: R. Eliezer stated, A priest shall not marry a minor. Said R. Hisda to Rabbah: Go and consider this matter,<span class="x" onmousemove="('comment',' Why R. Eliezer ruled a priest shall not marry a minor. ');"><sup>2</sup></span> for in the evening R. Huna will question you on the subject. When he went out he considered the point [and came to the conclusion that] R. Eliezer was of the same opinion as R. Meir and also of the same Opinion as R. Judah. 'He is of the same opinion as R. Meir' who takes exceptional cases<span class="x" onmousemove="('comment',' Lit., 'minority'. ');"><sup>3</sup></span> into consideration;<span class="x" onmousemove="('comment',' It is possible, though not usual, that the minor would be found to be sterile. ');"><sup>4</sup></span>