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You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: access to data from general practice research database (now called the clinical practice research datalink/cprd) is always subject to a full licence agreement containing details terms and conditions of use. the key principles behind these are summarised below:- cprd data access licences are not transferable. provision of data is for use for public-benefiting medical research only. an independent scientific advisory committee (isac) protocol is required for all research which is in any way to be communicated to others. a dataset may only be used for the study for which it has been approved. attempts to identify patients, practices or clinicians is specifically prohibited. cprd reserves the right to audit any organisation in receipt of data. data sets patient level datasets can be extracted for researchers against specific study specifications, following protocol approval from the independent scientific advisory committee of the medicines & healthcare products regulatory agency (mhra) in london https://www.cprd.com/home/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>