[1] Dr. Rajendra Prasad Centre for Ophthalmic Sciences,
[2] All India Institute of
Medical Sciences,undefined
[3] New Delhi,undefined
[4] IND-110029,undefined
[5] India; Phone: +91-11-6864851,undefined
[6] Fax:
+91-11-6852919,undefined
[7] e-mail: khokhar@medinst.ernet.in,undefined
[8] Dr. Rajendra Prasad Centre for Ophthalmic Sciences,undefined
[9] All India Institute of
Medical Sciences,undefined
[10] New Delhi,undefined
[11] IND-110029,undefined
[12] India; Phone: +91-11-6864851,undefined
[13] e-mail:
narottama@iname.com,undefined
[14] Dept. of Microbiology,undefined
[15] All India Institute of Medical Sciences,undefined
[16] New Delhi,undefined
[17]
IND-110029,undefined
[18] India; Phone: +91-11-6864851,undefined
[19] e-mail:
mirdhabr@medinst.ernet.in,undefined