Hafeez, M.; Ahmed, A.; Usmanghani, K.; Mohiuddin, E.; Asif, H.; Akram, M.; Rehman, R. ur. Clinical Evaluation of Herbal Medicine for Oligospermia. Pak. J. Nutr. 2011, 10 (3), 238–240. https://doi.org/10.3923/pjn.2011.238.240.