Colour vision deficiency and sputum colour charts in COPD patients: an exploratory mixed-method study

npj Primary Care Respiratory Medicine, Published online: 04 March 2021; doi:10.1038/s41533-021-00225-zColour vision deficiency and sputum colour charts in COPD patients: an exploratory mixed-method study

Source: npj Primary Care Respiratory Medicine - March 4, 2021 Category: Primary Care Authors: Sunita Channa Nicola Gale Emma Lai Lara Hall Mark Quinn Alice M. Turner Source Type: research