Sex-related differences in respiratory symptoms: results from the BOLD Study.
Lamprecht B., Vanfleteren LE., Studnicka M., Allison M., McBurnie MA., Vollmer WM., Tan WC., Nielsen R., Nastalek P., Gnatiuc L., Kaiser B., Janson C., Wouters EFM., Burney P., Buist AS., BOLD Collaborative Research Group .
For the same degree of lung function impairment females tend to report more (severe) dyspnoea and cough, but less phlegm http://ow.ly/mp2CF