TY - GEN AU - Vermeer,Alexa M C AU - Christiaans,Imke AU - Lodder,Elisabeth M TI - Letter by Vermeer et al Regarding Article, "Phenotypic Spectrum of HCN4 Mutations: A Clinical Case" SN - 2574-8300 PY - 2019///0320 KW - Hyperpolarization-Activated Cyclic Nucleotide-Gated Channels KW - genetics KW - Mutation KW - Potassium Channels N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1161/CIRCGEN.118.002160 ER -