Clinical Characteristics and Risk Factors for Early versus Late Pulmonary Embolism in Trauma Patients: A Retrospective, Observational Study. - Siddiqui T; Asim M; Ahmed K; Mathradikkal S; Bakhsh Z; Masood M; Al-Hassani A; Nabir S; Ahmed N; Strandvik G; El-Menyar A; Al-Thani H (International journal of general medicine, 2022)