TY - RPRT TI - Field mapping without reference scan using asymmetric echo-planar techniques. AU - R Gruetter AU - I Tkác PY - 2000 DO - 10.1002/(sici)1522-2594(200002)43:2<319::aid-mrm22>3.0.co;2-1 UR - https://pubmed.ncbi.nlm.nih.gov/10680699/ ID - 10680699 ER -