Hemachandran M, Nijhawan R, Srinivasan R, Rajwanshi A. Collagenous bodies in endometriotic cysts. Diagn Cytopathol. 2004; 31: 330-32.
Gupa N, Srinivasan R, Nijhawan R, Dhaliwal LK. Primary fallopian tubal transitional cell carcinoma with exfoliation of malignant cells in cervical Pap smear. Cytojournal 2005;2:20.
Nijhawan R, Rajwanshi A. Cytomorphologic and morphometric limitations of the assessment of atypia in fibroadenoma of the breast. Analyt Quant Cytol Histol 2005;27:273-6.
Aggarwal R, Gupta S, Nijhawan R, Suri V, Kaur A, Bhasin V, Arora SK. Prevalence of high-risk human papilloma virus infections in women with benign cervical cytology: a hospital based study from North India. Indian J Cancer 2006;43:110-6.
Adhya Ak, Mahesha V, Srinivasan R, Nijhawan R, Rajwanshi A, Suri V, Dhaliwal LK. Atypical glandular cells in cervical smears: histological correlation and suggested plan of management based on age of the patient in a low-resouece setting. Cytopathology 2009;20:375-9.
Kalra N, Aiyappan S, Nijhawan R, Sharma SC, Khandelwal N. Metastatic carcinoma of cervix mimicking psoas abscess on imaging: a case report. J Gynecol Oncol 2009;20:129-31.
Gupta R, Srinivasan R, Nijhawan R, Suri V. Tissue transglutaminase 2 as a biomarker of cervical intraepithelial neoplasia (CIN) and its relationship to p16INK4A and nuclear factor kappaB expression. Virchows Arch 2010;456:45-51.
Nijhawan R, Mittal N, Suri V, Rajwanshi R. Enhancing the scope of conventional cervical cytology for detecting HPV infection. Diagn Cytopathol 2010;38:645-51.
Gupta R, Srinivasan R, Nijhawan R, Suri V, Uppal R. Protein p16INK4A expression in cervical intraepithelial neoplasia and invasive squamous cell carcinoma of uterine cervix. Indian J Pathol Microbiol 2010;53:7-11
Samanta S, Dey P, Nijhawan R. The role of micronucleus scoring in fine needle aspirates of ductal carcinoma of the breast. Cytopathology 2011;22:111-4.
Duggal R, Nijhawan R, Aggarwal N, Sikka P. Mullerian adenosarcoma (heterologous) of the cervix with sarcomatous overgrowth: a case report with review of literature. J Gynecol Oncol 2010;21:125-8.
Gupta N, Srinivasan R, Nijhawan R, Rajwanshi A, Dey P, Suri V, Dhaliwal L. Atyical squamous cells and low-grade squamous intraepithelial lesion in cervical cytology: cytohistological correlation and implication for management in a low-resource setting. Cytopathology 2011;22:189-94.
Samanta S, Dey P, Nijhawan R. Micronucleus in cervical intraepithelial lesions and carcinoma. Acta Cytol 2011;55:42-7.