by Weintraub, M I
Published in The New England journal of medicine (27.04.1995)

by Hoghooghi, Bahar, McKittrick, Joanna, Helsel, Eugene, Lopez, Olivia A.
Published in Journal of the American Ceramic Society (01.04.1998)

by Hoghoogi, Bahar, McKittrick, Joanna, Helsel, Eugene, Lopez, Olivia A
Published in Journal of the American Ceramic Society (01.04.1998)

by HELSEL, Jr, E V, DECKER, J P
Published in Obstetrics and gynecology (New York. 1953) (01.09.1964)

by Helsel, Eugene V.
Published in Fertility and sterility (01.11.1980)

by Robinette, B A, Helsel, E V
Published in American journal of medical quality (1993)

by HARRY EARL ANDERSON, KENNETH EUGENE HELSEL, RAYMOND EDWARD HEASLEY
Year of Publication 31.05.1979

by EUGENE HELSEL,KENNETH, EARL ANDERSON,HARRY, EDWARD HEASLEY,RAYMOND
Year of Publication 26.10.1978

by HELSEL, Jr, E V
Published in American journal of obstetrics and gynecology (15.02.1965)

by Israel, S L, Helsel, Jr, E V, Hausman, D H
Published in American journal of obstetrics and gynecology (15.12.1965)

by Garnet, J D, Helsel, E V, Piver, M S
Published in Obstetrics and gynecology (New York. 1953) (01.08.1968)

by ANDERSON, HARRY EARL, HEASLEY, RAYMOND EDWARD, HELSEL, KENNETH EUGENE
Year of Publication 20.04.1983

by ANDERSON, HARRY EARL, HEASLEY, RAYMOND EDWARD, HELSEL, HARRY EUGENE
Year of Publication 10.01.1983

by ANDERSON, HARRY EARL, HEASLEY, RAYMOND EDWARD, HELSEL, KENNETH EUGENE
Year of Publication 24.10.1978

by HEASLEY, RAYMOND EDWARD, MCKEES ROCKS, PA., US, ANDERSON, HARRY EARL, PITTSBURGH, PA., US, HELSEL, KENNETH EUGENE, BADEN, PA., US
Year of Publication 21.05.1987