Safety and feasibility of intranasal heroin-assisted treatment: 4-week preliminary findings from a Swiss multicentre observational study

Vogel M, Meyer M, Westenberg JN, Kormann A, Simon O, Fadlelseed RSH, Kurmann M, Bröer R, Devaud N, Sanwald U, Baumgartner S, Binder H, Strasser J, Krausz RM, Beck T, Dürsteler KM, Falcato L