Alternatively Mark Merlin , who revisited the subject of the identity of soma more than thirty years after originally writing about it stated that there is a need of further study on links between soma and Papaver somniferum .
This has not been sustained by subsequent investigations .
Mark Merlin , who revisited the subject of the identity of soma more than thirty years after originally writing about it stated that there is a need of further study on links between soma and Papaver somniferum .
This has not been sustained by subsequent investigations .