For another example in the field of embryology, see Pieter Willem van der Horst, “Seven Months’ Children in Jewish and Christian Literature from Antiquity,” Ephemerides Theological Lovanienses 54 (1978), pp. 346–360; now reprinted in his Essays on the Jewish World of Early Christianity Novum Testamentum et Orbis Antiquus 14 (Freiburg: Universitätsverlag, 1990), pp. 233–247.