TY - RPRT TI - The electrocardiogram during controlled hypoxia. AU - H GURTLER AU - H POULSEN AU - K N RASMUSSEN PY - 1954 DO - 10.1111/j.0954-6820.1954.tb18635.x UR - https://pubmed.ncbi.nlm.nih.gov/13217730/ ID - 13217730 ER -