TY - JOUR T1 - A Letter from Mr Antony Van Leeuwenhoek, concerning the Tubes or Canals That Convey the Yellow Sap in the Herb Called Chelidonium Majus, or Celandine, etc. JF - Philosophical Transactions (1683-1775) VL - 24 SP - 1730 EP - 1740 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1704.0036 M3 - doi:10.1098/rstl.1704.0036 AU - van Leeuwenhoek, A. ER -