by Roberts, D E, Markham, G C
Published in American journal of roentgenology (1976) (01.06.1992)

by Markham, G C, Bottomley, J P, Ansell, G
Published in British journal of radiology (01.02.1977)

by Markham, G.C., Thind, R., Evans, S.E.
Published in Clinical radiology (01.02.1993)

by Markham, G C
Published in The Lancet (British edition) (11.12.1976)

by MARKHAM, CHARLES G.
Published in Annals of the Association of American Geographers (01.09.1970)