Singh, S.; Singh, T. D.; Singh, V. P.; Pandey, V. B. (February 2010). "Quaternary Alkaloids of Argemone mexicana". Pharmaceutical Biology48 (2): 158–160. doi:10.3109/13880200903062622. பப்மெட்:20645832.
Singh, S.; Singh, T. D.; Singh, V. P.; Pandey, V. B. (February 2010). "Quaternary Alkaloids of Argemone mexicana". Pharmaceutical Biology48 (2): 158–160. doi:10.3109/13880200903062622. பப்மெட்:20645832.