[Electronic elaboration of ultrasonic signals of the fetal heart, umbilical cord and placenta: a new method of automatic calculation of fetal cardiac rate].
作者信息
Roversi G D, Canussio V, Ferrari A, Gorini F, Tronconi G, Beaussart J L
出版信息
Ann Ostet Ginecol Med Perinat. 1968 Apr;90(4):253-62.