TY - GEN AU - Howell,Michael D TI - Less Is More: Learning from Variation in Pulmonary Embolism Care SN - 2325-6621 PY - 2019///0722 KW - Echocardiography KW - Humans KW - Pulmonary Embolism N1 - Publication Type: Editorial; Comment UR - https://doi.org/10.1513/AnnalsATS.201802-113ED ER -