Resources Welcome to the Resources section of the Pulmonary Hypertension Association (PHA UK) website. In this section you can download PHA UK publications as well as audio or video presentations that may be of interest to you. There are also links to further sources of information and support for people affected by pulmonary hypertension (PH), as well as an archive section containing past news articles, magazine and campaign information. For information about how to contact the PHA UK, visit our contact us page. For contact details of PH specialist centres visit the PH specialist centres page.