[Investigations on Bulgarian opium.  I.  Possibilities of widening the cultivation of Papaver somniferum L. and possibilities of production of opium with high content of morphine].
D009020:Morphine; D009892:Opium; D010207:Papaver
D009020:Morphine; D009892:Opium
OPIUM
Izsledvaniia vurkhu bulgarskiia opium.  I.  Vuzmozhnosti za razshiriavane zasiavaneto na Papaver somniferum L. i vuzmozhnosti za dobivane na opium s visoko sudurzhanie na morfin.