Adi D.Tilong7 -6 yohanes sunardi3 Syahril Anwar3 Trija Fayeldi2 Lisdiana2 Wiku Adisasmito2 Potter RN, Patricia A.1 Institut Kesehatan Sumatera Utara (Pengarang) ; Sembiring, Isabella Christina (Editor)1 Candra Gautama1 Priguna, Sidharta1 Shreeve, Caroline1 Isaacson, K.G1 Skerrit, G1 Pohan, Imbalo S.1 Cameron, Ian R1 Ward, Brian K1 Moh. Anief1 O'Callagham, Chris1 Haruyama, Shigeo1