Zhang, Chun-Ping Role of 5-aminolevulinic acid in the salinity stress response of the seeds and seedlings of the medicinal plant Cassia obtusifolia L. [electronic resource] - Botanical studies Dec 2013 - 18 p. digital Publication Type: Journal Article ISSN: 1817-406X Standard No.: 10.1186/1999-3110-54-18 doi