<|begin_of_text|><|start_header_id|>system<|end_header_id|>

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: all underlying data are available in public repositories or websites, within the paper, and in supporting information files. data from the nhanes drug survey are available from the following urls: http://wwwn.cdc.gov/nchs/nhanes/2009-2010/rxq_rx_f.xpt; http://wwwn.cdc.gov/nchs/nhanes/2007-2008/rxq_rx_e.xpt; http://wwwn.cdc.gov/nchs/nhanes/2005-2006/rxq_rx_d.xpt; http://wwwn.cdc.gov/nchs/nhanes/2003-2004/rxq_rx_c.xpt; http://wwwn.cdc.gov/nchs/nhanes/2001-2002/rxq_rx_b.xpt; http://wwwn.cdc.gov/nchs/nhanes/1999-2000/rxq_rx.xpt. resources on drug-drug interactions are available from the following urls: http://medicine.iupui.edu/clinpharm/ddis/clinical-table/; http://www.fda.gov/drugs/developmentapprovalprocess/developmentresources/druginteractionslabeling/ucm093664.htm http://www.drugs.com/drug_interactions.html.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>