TY - RPRT TI - Fetal ECG during labour: a presentation of a microprocessor system. AU - H Lilja AU - S Arulkumaran AU - K Lindecrantz AU - S S Ratnam AU - K G Rosén PY - 1988 DO - 10.1016/0141-5425(88)90066-0 UR - https://pubmed.ncbi.nlm.nih.gov/3236855/ ID - 3236855 ER -