TY - JOUR PY - 1999// TI - Dangerous form of marijuana JO - Annals of emergency medicine A1 - Nelson, Lewis S. A1 - nd, JA A1 - Ravikumar, P. R. SP - 115 EP - 116 VL - 34 IS - 1 N2 - Abstract unavailable. LA - SN - 0196-0644 UR - http://dx.doi.org/ ID - ref1 ER -