by Fondren, L K, Watterson, M K, Ricketts, T C
Published in North Carolina medical journal (Durham, N.C.) (01.02.1991)

by Fondren, L.K, Ricketts, T.C
Published in The Journal of rural health (1993)

by Campbell, L S, Stein, J, Fondren, L K, Kory, W P, Savitz, L A, Kilpatrick, K E, Ricketts, 3rd, T C, Dalton, K, Meriwether, R A, Roye, W E
Published in Southern medical journal (Birmingham, Ala.) (01.01.1991)