REFERENCES
- Khan MA. Ankylosing spondylitis: clinical features. In: Klippel J, Dieppe P, editors. Rheumatology, 2nd edn. Mosby-Wolfe, Lon-don, 1998. pp 6.16.1–6.16.10.
- Kim EA, Lee KS, Johkoh T, et al. Interstitial lung diseases associated with collagen vascular diseases: radiologic and histo-pathologic findings. Radiographics. 2002; 22:151–65. Review. Erratum in: Radiographics. 2003; 23:1340.
- Ozgocmen S, Kocakoc E, Kiris A, et al. Incidence of varicoceles in patients with ankylosing spondylitis evaluated by physical examination and color duplex sonography. Urology. 2002;59: 919–22.
- Kocakoc E, Serhatlioglu S, Kiris A, et al. Color Doppler sono-graphic evaluation of inter-relations between diameter, reflux and flow volume of testicular veins in varicocele. Eur J Radiol. 2003;47:251–6.
- Pilatz A, Altinkilic B, Kohler E, et al. Color Doppler ultrasound imaging in varicoceles: is the venous diameter sufficient for predicting clinical and subclinical varicocele? World J Urol. 2011;29:645–50.
- Petros JA, Andriole GL, Middleton WD, et al. Correlation of testicular color Doppler ultrasonography, physical examination and venography in the detection of left varicoceles in men with infertility. J Urol. 1991;145:785–8.
- Meachman RB, Townsend RR, Rademacher D, et al. The inci-dence of varicoceles in the general population when evaluated by physical examination, gray scale sonography and color Doppler sonography. J Urol. 1994;151:1535–8.
- Hoekstra T, Witt MA. The correlation of internal spermatic vein palpability with ultrasonographic diameter and reversal of venous flow. J Urol. 1995;153:82–4.
- Mehta AL, Dogra VS. Intratesticular varicocele. J Clin Ultra-sound. 1998;26:49–51.
- Nussinovitch M, Greenbaum E, Amir J, et al. Prevalence of adolescent varicocele. Arch Pediatr Adolesc Med. 2001;55: 855–6.
- Alcalay J, Sayfan J. Prevalence of varicocele in young Israeli men. Isr J Med Sci. 1984;10:1099–100.
- Van der Linden S, Valkenburg HA, Cats A. Evaluation of diag-nostic criteria for ankylosing spondylitis. A proposal for modi-fication of the New York criteria. Arthr Rheum. 1984;27:361–8.
- Gran JT, Husby G. Ankylosing spondylitis in women. Semin Arthr Rheum. 1990;19:303–12.
- Geissner E. Psychological factors on pain control and their effects on pain evoking subjective stress. Z Kfin Psycho! Psychopathol Psychother. 1991;39:46–62.
- Sigmund G, Gall H, Bahren W. Stop-type and shunt-type varic-oceles: venographic findings. Radiology. 1987;163:105–10.
- Arslan H, Sakarya ME, Atilla MK. Clinical value of power Doppler sonography in the diagnosis of varicocele. J Cfin Ultrasound. 1998;26:229.
- Dubin L, Amelar RD. Etiologic factors in 1294 consecutive cases of male infertility. Fertil Steril. 1971;22:469–74.
- Hamm G, Fobbe F, Sorensen R, et al. Varicoceles: combined sonography and thermography in diagnosis and post-therapeutic intervention. Radiology. 1986;160:419–24.
- Hricak H, Filly RA. Sonography of scrotum. Invest Radiol. 1983;18:112–21.
- Erdogmus B, Yazici B, Balbay 0, et al. Association between varicocele and chronic obstructive pulmonary disease. J Cfin Ultrasound. 2006;34:55–9.
- Ranieri VM, Dambrosio M, Brienza N. Intrinsic PEEP and car-diopulmonary interaction in patients with COPD and acute ven-tilatory failure. Eur Respir J. 1996;9:1283–92.
- Fregonezi GA, Resqueti VR, Guell Rous R. Pursed lips breathing. Arch Bronconeumol. 2004;40:279–82.