Buku materi pre-symposium workshop 1 st North Sumatera conference on emergency, anesthesia and critical care (NSCEACC 2018) handling patients holistically with all the limitations : USG point of care on emergency and critical care by systematic of emergency and critical care ultrasound (SECURE),thursday-friday,27-28 september 2018 Perhimpunan Dokter Spesialis Anestesiologi dan Terapi Intensif Lubis, Andriamuri Primaputra Editor Sudirman Pengarang Purba, Nur Harini Editor Steven Theo Editor text Medan : Perdatin Cabang Sumatera Utara, 2018 ind Karya tulis URN:ISBN:9786025299315