by Singh, Y. P., Sachdeva, O. P., Aggarwal, S. K., Chugh, K., Lal, Harbans
Published in Indian journal of clinical biochemistry (01.07.2008)

by Saini, Santosh, Gupta, Naveen, Aparna, Seema, Sachdeva, O P
Published in Indian journal of pathology & microbiology (01.07.2005)

by GULATI, S. P, SACHDEVA, O. P, SACHDEVA, A, SINGH, U
Published in Indian journal of chest diseases & allied sciences (01.04.1997)

by Gulati, S. P., Sachdeva, O. P., Wadhera, Raman, Sodhi, Nitin, Garg, Ajay
Published in Indian Journal of Otolaryngology and Head & Neck Surgery (01.06.2008)

by Sachdeva, O P, Gulati, S P, Kakar, V, Sachdeva, A, Arora, B
Published in Tropical doctor (01.10.1993)

by Sachdeva, A, Sachdeva, O P, Gulati, S P, Kakkar, V
Published in Indian journal of medical research (New Delhi, India : 1994) (01.12.1993)

by SACHDEVA, O. P, GULATI, S. P, KAKAR, V, ASHOK SACHDEVA
Published in Indian journal of chest diseases & allied sciences (01.07.1993)

by Lal, H, Sachdeva, O P, Mehta, H R
Published in Journal of laryngology and otology (01.12.1984)

by Gulia, Joginder Singh, Kumar, Raman, Sachdeva, O P
Published in Indian journal of pediatrics (01.03.2002)

by Gulati, S P, Sachdeva, O P, Sachdeva, A, Adlakha, R P, Kakkar, V
Published in O.R.L. Journal for oto-rhino-laryngology and its related specialties (01.09.1994)

by Sen, Rajeev, Purwar, Prashant, Rekhi, Bharat, Singh, Sunita, Arora, B, Sen, Jyotsna, Sachdeva, O P
Published in Indian Journal of Otolaryngology and Head and Neck Surgery (01.04.2004)

by Kohli, G S, Sachdeva, O P
Published in Journal of laryngology and otology (01.07.1974)

by Sachdeva, O P, Gulati, S P, Kakkar, V, Sachdeva, A, Mishra, D S, Sekhon, M S
Published in Indian journal of gastroenterology (01.01.1994)

by Chawla, R K, Sachdeva, O P, Yadav, S P, Kaushal, A N, Chawla, K, Raj, B
Published in Indian journal of chest diseases & allied sciences (01.07.1988)

by Sachdeva, O. P., Girdhar, Vikas, Gulati, S. P., Lal, Harbans
Published in Indian journal of clinical biochemistry (01.01.1993)

by Sandooja, D, Sachdeva, O P, Gulati, S P, Kakkar, V, Sachdeva, A
Published in Indian journal of pediatrics (01.09.1995)

by Gulia, Joginder Singh, Kumar, Raman, Sachdeva, O P
Published in Indian journal of pediatrics (01.03.2002)

by Sachdeva, O P, Gulati, S P, Kakkar, V, Sachdeva, A, Mishra, D S, Sekhon, M S
Published in Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology (01.01.1994)

by Yadav, Samar Pal Singh, Singh, Ishwar, Chanda, Rakesh, Sachdeva, Om Parkash
Published in Journal of otolaryngology (01.12.2002)