1. Agarwal P.K., Ghosh M.,Wahal K.M., and Malhotra R.M.L. (1979): Study of imprint smear of lymph nodes. Ind Jr. Cancer, 14, 157.
2. Bedrossian CWM, Martinez F., Silverberg A.B., (1988): Fine needle aspiration cytology. In Gnepp D R., Pathology of the head and neck. New York : Churchill livingstone, 25.
3. Betsill WL.and Hajdu S.F., (1978): Percutaneous aspiration biopsy of lymph node. Acta Cytol. 22 : 601.
4. Burn M.P., (1981): Needle Biopsy. Arch. Surg. 116(2), 252.
5. cardozo P.L., (1964): The Cytological diagnosis of lymph node punctures 8, 194.