Oxidative stress and male infertility: a cross sectional study.

Objective: To compare stress markers and antioxidants in fertile and infertile males, and to explore their effects on reproductive hormones and fertility.

Methods: The cross-sectional case-control study was conducted from July 2017 to July 2018 at the Islamabad Clinic Serving Infertile Couples, Islamabad, Pakistan, and comprised male subjects aged 25-55 years. Infertile subjects were the cases, while healthy fertile males acted as the controls.

Association of oxidative stress with female infertility - A case control study.

Objective: To compare stress markers and reproductive hormones in fertile and infertile females, and to relate the markers with age, duration and cause of infertility, and body mass index..

Methods: The case-control study was conducted at Aga Khan University Hospital, Karachi, from March 2017 to February 2018.

Human papilloma virus 16/18: Fabricator of trouble in oral squamous cell carcinoma.

Aim: To find out the association between Human Papilloma Virus (HPV) genotypes 16/18 in Pakistani patients with oral squamous cell carcinoma (OSCC).

Methods: DNA from oral rinse of 300 subjects was taken. The subjects included 100 cases with OSCC and 200 controls.

The relationship between exertional chest pain/dyspnoea--heart rate in patients with coronary artery disease using Exercise ToleranceTest.

Objectives: To observe the relationship between chest pain/dyspnoea-heart rate during exertion in patients with angiographically proved Coronary artery disease compared to patients having negative Exercise Tolerance Test in a private and public sector hospital.

Methods: This is an observational two centre study from Karachi in which 150 patients referred for Exercise ToleranceTest (ETT) at Ziauddin University Hospital, Clifton campus and National Institute of Cardiovascular Diseases Karachi were included. The period of study extended from September 2008 to March 2010.