TY - GEN AU - Luisada,A A AU - Bernstein,J G TI - Better resolution and quantitation in clinical phonocardiography SN - 0366-5313 PY - 1966///0312 KW - Humans KW - Phonocardiography KW - instrumentation N1 - Publication Type: Journal Article UR - https://doi.org/10.1159/000168383 ER -