TY - JOUR AU - Downing, Jim TI - How to study cannabis JF - California Agriculture JO - Calif Agr Y1 - 2017/04/12 VL - 71 IS - 2 SP - 53 EP - 54 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://dx.doi.org/10.3733/ca.2017a0012 L3 - 10.3733/ca.2017a0012 AB -