by Silber, R., Christensen, W.R.
Published in Blood (01.05.1959)

by Thurman, G.B, Mays, C.W, Taylor, G.N, Christensen, W.R, Rehfeld, C.E, Dougherty, T.F
Published in Growth (1971)

by Taylor, G.N., Christensen, W.R., Jee, W.S.S., Rehfeld, C.E.
Published in Journal of dental research (01.01.1964)

by Taylor, G N, Jee, W S, Christensen, W R, Rehfeld, C E, Nebeker, N
Published in Health physics (1958) (01.07.1966)