%0 Journal Article %T Maintaining the artemisinin content through direct and indirect in vitro regeneration and their assessment of variations with the field grown mother plants of Artemisia annua L. %A Shilpi Paul %A Madan M. Gupta %A Suman P. S. Khanuja %J Natural Products and Bioprospecting %@ 2192-2209 %D 2012 %I Springer %R 10.1007/s13659-012-0047-7 %K direct and indirect regeneration %K Artemisia annua %K artemisinin %K BAP %K NAA %U http://link.springer.com/article/10.1007/s13659-012-0047-7