by GRUENBERG, P B, TUCKER, A S, PTACEK, P H
Published in Radiology (01.02.1963)

by PTACEK, P H, SANDER, E K
Published in The Journal of speech and hearing disorders (01.05.1963)

by PTACEK, P H, SANDER, E K
Published in The Journal of speech and hearing disorders (01.08.1963)

by Ptacek, P H, Sander, E K
Published in Journal of speech and hearing research (01.06.1966)

by Ptacek, P H
Published in ASHA (Rockville, Md.) (01.11.1973)

by Ptacek, P H
Published in ASHA (Rockville, Md.) (01.10.1967)

by PTACEK, P H
Published in The Journal of speech and hearing disorders (01.12.1954)

by Pinheiro, M L, Ptacek, P H
Published in The Journal of the Acoustical Society of America (01.06.1971)

by Ptacek, P H, Black, J W, Hyman, M
Published in ASHA (Rockville, Md.) (01.02.1970)

by Ptacek, P H, Pinheiro, M L
Published in The Journal of the Acoustical Society of America (01.02.1971)

by Ptacek, P H, Koutstaal, C W
Published in Journal of the American Audiology Society (01.03.1977)

by Ptacek, P H, Breintenfeldt, D, Musiek, F
Published in Journal of communication disorders (01.12.1978)

by Kricos, P B, Ptacek, P H, Hyman, M, Black, J W
Published in Journal of communication disorders (01.04.1979)

by Black, J W, Kricos, P B, Ptacek, P H, Hyman, M
Published in Journal of communication disorders (01.12.1978)

by Malone, R L, Ptacek, P H, Malone, M S
Published in British journal of disorders of communication (01.10.1970)