By Warren, Kenneth S., Mahmoud, Adel A. F.
By Hendrickse
By Unidentified Author
By Mackie, T.J., McCartney, J.E., Cruickshank, Robert, etc.
By World Health Organization(WHO)
By D. C. Shanson
By royal college of pathologists
By K. K. Kafle, R. G. Pinniger
By Reynolds, Jill
By Cathy Lloyd, Stephen Handsley, Jenny Douglas, Sarah Earle, Sue Spurr
By Sarah Earle, Cathy Lloyd, Moyra Sidell, Sue Spurr
By Reynolds, Jill, Seden, Janet
By Battey, Bonnie Weaver Ph. D. R. N.
By Davis, Dale
By Steel, G.G.
By Eeles, Rosalind A.
By Tubiana, Maurice
By Hoskin, Peter, Neal, Anthony
By Wiegel, T., Hinkelbein, W., Brock, M., Hoell, Meyer, J.L.
By Messer, Neil
By Harveer Dev, David Metcalfe, Stephan Sanders
By Evans, Dason, Brown, Jo
By Sainsbury, Mel, etc.
By Howard Rogers, Roy Spector