by Jude, E B, Sridhar, C B R
Published in Postgraduate medical journal (01.01.2000)

by Abraham, U, Sheela, M.L, Sridhar, C.B.R, Shetty, P.S
Published in Indian journal of medical research (1987)

by SRIDHAR, K., RAMAMURTHI, R., VASUDEVAN, M. C., RAMAMURTHI, B.
Published in British journal of neurosurgery (1998)