TY - RPRT TI - [Annular phased array--initial experiences with a new transducer technology]. AU - B Schwaighofer AU - F Frühwald AU - G Seidl AU - R Stiglbauer PY - 1986 DO - 10.1055/s-2007-1011945 UR - https://pubmed.ncbi.nlm.nih.gov/3538411/ ID - 3538411 ER -