TY - GEN AU - Muller,A TI - [Controlled therapeutic trial: the value of precisely defining the methodology] SN - 0750-7658 PY - 1985///0801 KW - Anesthesia, Obstetrical KW - methods KW - Clinical Trials as Topic KW - Electric Stimulation Therapy KW - Female KW - Humans KW - Pregnancy KW - Research Design KW - Transcutaneous Electric Nerve Stimulation N1 - Publication Type: Letter UR - https://doi.org/10.1016/s0750-7658(85)80153-2 ER -