I.M.S.Sawhney- O.P.Lekhra-P.Gupta- : Reappraisal of Palmomental reflex and its Variants Neurology India- Vol.41-issue 2;1995
I.M.S.Sawhney- O.P.Lekhra : Evaluation of epilepsy management in developing country- A perspective Study of 407 patients-94:19-23- Acta Neurol Scand 1996
Sawhney IMS - Singh G- O.P.Lekhra et al: Uncommon presentations of Neurocysticercosis J. Neurol. Sci. 1998; 54: 94-100
Thussu A - O.P.Lekhra- Sehgal S. -et al : Non compressive myelopathy- Is human T.cell lymphotrophic Virus Type-1 (HTLV-1) the cause in Indian context ? Aust. NZ.J. Med 1996; 26(5): 705-06
Self mutilation and epilepsy: Lekhra OP- Bansal SK- Prabhakar S. J Assoc Physicians India. 1995 Oct;43(10):714-5.
Eosinophilia and recurrent stroke.O.P. Lekhra- AThussu and S. PrabhakarJ Assoc Physicians India 44(3):205-6 (1996)
Clinical profile of Subacute scelerosing panencephalitis (SSPE).OP Lekhra- A Thussu- IMS Sawhney- S Prabhakar- JS Chopra.Neurology India 1996-44(1)10-15
Maheshwari A-Athale S- Lekhra OP-Telang K.Comparative safety of antiepileptic drugs during pregnancy / Author Response. February 12- 2013 80:689 690 Neurology
Lekhra OP-Maheshwari A-RathoreY-Patel K. Central pontine myelinosis with hypokalemia – A rare case report : Indian J of Medical Case Reports vol 1(23);31-33 Oct-Dec 2012