Gardner–medwin, J. M., Macdonald, I. A., Taylor, J. Y., Riley, P. H., & Powell, R. J. (2001). Seasonal differences in finger skin temperature and microvascular blood flow in healthy men and women are exaggerated in women with primary Raynaud's phenomenon. Blackwell Science Inc.

Gardner–medwin, J M., I A. Macdonald, J Y. Taylor, P H. Riley, a R J. Powell. Seasonal Differences in Finger Skin Temperature and Microvascular Blood Flow in Healthy Men and Women Are Exaggerated in Women With Primary Raynaud's Phenomenon. Blackwell Science Inc, 2001.

Gardner–medwin, J M., et al. Seasonal Differences in Finger Skin Temperature and Microvascular Blood Flow in Healthy Men and Women Are Exaggerated in Women With Primary Raynaud's Phenomenon. Blackwell Science Inc, 2001.