Article Text

Embryology of the circulation
  1. M K DAVIES,
  2. A J MAYNE

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    Embryonic/fetal circulation has appeared once on postage stamps. This 1988 stamp from Denmark was released to commemorate the 40th anniversary of the World Health Organisation. The development of the major vasculature is shown and appropriate colours of red and blue have been chosen in the design which also shows the WHO logo in the bottom left hand corner.

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