by Mcelrath, Thomas F, Robinson, Julian N, Ecker, Jefferey L, Ringer, Stephen A, Norwitz, Errol R
Published in Obstetrics and gynecology (New York. 1953) (2001)

by MCELRATH, THOMAS F., ROBINSON, JULIAN N., ECKER, JEFFEREY L., RINGER, STEPHEN A., NORWITZ, ERROL R.
Published in Obstetrics and gynecology (New York. 1953) (01.01.2001)

by Huppi, Petra S, Warfield, Simon, Taranto, Richard J, Ringer, Stephen A, Jolesz, Ferenc A, Volpe, Joseph J
Published in Pediatric research (01.04.1997)