Ashby, R. L., Dumville, J. C., Soares, M. O., McGinnis, E., Stubbs, N., Torgerson, D. J., & Cullum, N. (2012). A pilot randomised controlled trial of negative pressure wound therapy to treat grade III/IV pressure ulcers [ISRCTN69032034]. BioMed Central.

Ashby, Rebecca L., Jo C. Dumville, Marta O. Soares, Elizabeth McGinnis, Nikki Stubbs, David J. Torgerson, a Nicky Cullum. A Pilot Randomised Controlled Trial of Negative Pressure Wound Therapy to Treat Grade III/IV Pressure Ulcers [ISRCTN69032034]. BioMed Central, 2012.

Ashby, Rebecca L., et al. A Pilot Randomised Controlled Trial of Negative Pressure Wound Therapy to Treat Grade III/IV Pressure Ulcers [ISRCTN69032034]. BioMed Central, 2012.