Veale, D.; Miles, S.; Bramley, S.; Muir, G.; Hodsoll, J. (2015). "Am I normal? A systematic review and construction of nomograms for flaccid and erect penis length and circumference in up to 15 521 men". बीजेयू इंटरनेशनल. 115 (6): 978–986. डीओआई:10.1111/bju.13010. पीएमआईडी25487360. एस2सीआईडी36836535.
Veale, D.; Miles, S.; Bramley, S.; Muir, G.; Hodsoll, J. (2015). "Am I normal? A systematic review and construction of nomograms for flaccid and erect penis length and circumference in up to 15 521 men". बीजेयू इंटरनेशनल. 115 (6): 978–986. डीओआई:10.1111/bju.13010. पीएमआईडी25487360. एस2सीआईडी36836535.
Veale, D.; Miles, S.; Bramley, S.; Muir, G.; Hodsoll, J. (2015). "Am I normal? A systematic review and construction of nomograms for flaccid and erect penis length and circumference in up to 15 521 men". बीजेयू इंटरनेशनल. 115 (6): 978–986. डीओआई:10.1111/bju.13010. पीएमआईडी25487360. एस2सीआईडी36836535.