TY - JOUR T1 - Observations upon the Bones and the Periosteum, in a Letter to the Royal Society, from Mr. Leeuwenhoek, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 31 SP - 91 EP - 97 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1720.0022 M3 - doi:10.1098/rstl.1720.0022 AU - Leeuwenhoek, M. ER -