Knox P, Pflug JJ: The effect of the canine popliteal node on the composition of lympu. J Physiol, 345 : 1-14, 1983.
Tischendorf F: On the functional macro- and microstructure of the lymphatic system. In memory of Rudolf Virchow (1821-1902). Biochem Exp Biol, 16 (4) : 447-459, 1980.