TY - JOUR T1 - The Development of the Thymus, Epithelial Bodies, and Thyroid in the Marsupialia. Part I. Trichosurus vulpecula JF - Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896-1934) VL - 207 SP - 1 EP - 85 PY - 1916/01/01/ UR - http://dx.doi.org/10.1098/rstb.1916.0001 M3 - doi:10.1098/rstb.1916.0001 AU - Fraser, E. AU - Hill, J. ER -