Our authors have recommended the following useful links* as sources of further information, but please remember that the advice provided on these and other healthcare websites is not a substitute for expert medical care provided by a qualified healthcare professional. If you would like to suggest a link to add to this page or to report a bad link, please email us.

* Health Press Limited has no control over these external sites and accepts no responsibility or liability for the material displayed on them.

Ear, Nose and Throat


Gastroenterology and hepatology




Respiratory medicine




Urology, renal and genitourinary medicine