by Soler, Robin E, Leeks, Kimberly D, Buchanan, Leigh Ramsey, Brownson, Ross C, Heath, Gregory W, Hopkins, David H
Published in American journal of preventive medicine (01.02.2010)

by Soler, Robin E., PhD, Leeks, Kimberly D., PhD, MPH, Buchanan, Leigh Ramsey, PhD, Brownson, Ross C., PhD, Heath, Gregory W., DHSc, MPH, Hopkins, David H., MD, MPH
Published in American journal of preventive medicine (01.02.2010)

by FRANZEN, David W, HOPKINS, David H, SWEENEY, Michael D, ULMER, Michael K, HALVORSON, Ardell D
Published in Agronomy journal (01.03.2002)

by Franzen, David W., Hopkins, David H., Sweeney, Michael D., Ulmer, Michael K., Halvorson, Ardell D.
Published in Agronomy journal (01.03.2002)

by HOPKINS, DAVID, H
Year of Publication 26.11.2003

by HOPKINS, DAVID, H
Year of Publication 25.09.2003

by HOPKINS DAVID H
Year of Publication 20.08.2002

by Hopkins, David H
Year of Publication 20.08.2002

by DAVID H. HOPKINS
Year of Publication 04.03.2002

by HOPKINS, DAVID, H
Year of Publication 28.02.2002

by HOPKINS, DAVID H
Year of Publication 28.02.2002

by HOPKINS, DAVID H
Year of Publication 23.03.1994

by HOPKINS, DAVID H
Year of Publication 16.03.1994

by HOPKINS, DAVID H
Year of Publication 11.02.1994

by HOPKINS; DAVID H
Year of Publication 30.11.1993

by Simonetti, John A, Hopkins, David H
Year of Publication 21.10.2003

by SIMONETTI JOHN A, HOPKINS DAVID H
Year of Publication 21.10.2003

by HOPKINS; DAVID H
Year of Publication 06.03.1990

by SIMONETTI JOHN A, HOPKINS DAVID H
Year of Publication 15.08.2002

by Hopkins, David H
Year of Publication 24.05.1988