Rana, Abdul Qayuum, Mosabbir, Abdullah A., Qureshi, Abdul Rehman M., Abbas, Muhammad, and Rana, Mohammad A. (2016) Restless leg syndrome: a risk factor of higher prevalence of anxiety and depression in Parkinson's disease patients. Neurological Research, 38 (4). pp. 309-312.

Rana, A.Q., Qureshi, A.R.M., Mumtaz, A., Abdullah, I., Jesudasan, A., Hafez, K.K., and Rana, M.A. (2016) Associations of pain and depression with marital status in patients diagnosed with Parkinson's disease. Acta Neurologica Scandinavica, 133 (4). pp. 276-280.

Rana, Abdul Qayyum, Qureshi, Abdul Rehman M., Rahman, Labiba, Jesudasan, Ajantha, Hafez, Kevin K., and Rana, Mohammad A. (2016) Association of restless legs syndrome, pain, and mood disorders in Parkinson's disease. International Journal of Neuroscience, 126 (2). pp. 116-120.

Rana, Abdul Qayyum, Qureshi, Abdul Rehman, Fareez, Faiha, and Rana, Mohammad A. (2016) Impact of ethnicity on mood disorders in Parkinson's disease. International Journal of Neuroscience, 126 (8). pp. 734-738.

Rana, Abdul, Qureshi, Abdul Rehman M., Kachhvi, Halima Bibi, Rana, Mohammad A., and Chou, Kelvin L. (2016) Increased likelihood of anxiety and poor sleep quality in Parkinson's disease patients with pain. Journal of the Neurological Sciences, 369. pp. 212-215.

Rana, Abdul Qayyam, Paul, Dion A., Qureshi, AbdulRehman M., Ghazi, Abdullah, Alenezi, Shuliweeh, Rana, Mohammad Abdullah, Moazen, Maher, Akhter, Sadaf, Owlia, Aida, Akhter, Mohammad Raza, Randhawa, Shahroz, Moosavi, Zahra Mesbah, and Rana, Afshan Nazli (2015) Association between nocturia and anxiety in Parkinson's disease. Neurological Research, 37 (7). pp. 563-567.

Rana, Abdul Qayyum, Vaid, Haris, Akhter, Mohammad Raza, Awan, Naeem Yousaf, Fattah, Abdul, Cader, Muhammad Husain, Hafez, Kevin, Rana, Mohammad Abdullah, and Yousuf, Muhammad Saad (2014) Prevalence of nocturia in Parkinson's disease patients from various ethnicities. Neurological Research, 36 (3). pp. 234-238.