TY - GEN AU - Samper Villagrasa,M P AU - Ventura Faci,M P AU - Fabre González,E AU - Bescos Pisón,J L AU - Pérez González,J TI - [Quantification of heart rate variability in newborn infants and during the first 6 months of age] SN - 0302-4342 PY - 1990///0507 KW - Age Factors KW - Electrocardiography KW - Heart Rate KW - physiology KW - Humans KW - Infant KW - Infant, Newborn N1 - Publication Type: English Abstract; Journal Article ER -