An Inquiry into the Comparative Effects of the Opium Officinarum, Extracted from the Papaver Somniferum or White Poppy of Linnæus; And of That Procured from the Lactuca Sativa, or Common Cultivated Lettuce of the Same Author
Published in Transactions of the American Philosophical Society, in 1799, in volume 4, pages 387-414
Date published:1799