TY - RPRT TI - Unmasking of sinus node dysfunction by ajmaline. AU - R Bajaj AU - U Kaul AU - J Narula PY - 1989 DO - 10.1016/0167-5273(89)90203-9 UR - https://pubmed.ncbi.nlm.nih.gov/2737785/ ID - 2737785 ER -