00412nas a2200157   4500000000100000000000100001008004100002260001700043100001400060700002000074700002200094700001900116245010000135300001200235490000700247       2017                            d  cOctober 20171 aAili Malm1 aMartin Bouchard1 aMarieke Vlaemynck1 aMarije Wouters00aMore structural holes, more risk? Network structure and risk perception among marijuana growers  a127-1340 v51