Arunabh, Madan S, Choudhary BD.
J Indian Med Assoc. 1990 Jan;88(1):22.
PMID: 2362138

Travasso C.
BMJ. 2016 Jan 21;352:i344. doi: 10.1136/bmj.i344.
PMID: 26793978

Thatje S.
Naturwissenschaften. 2016 Feb;103(1):10. doi: 10.1007/s00114-016-1335-6. Epub 2016 Jan 23.
PMID: 26803660

Muñoz J.
Gac Med Mex. 1996 Jan-Feb;132(1):106-8.
PMID: 8763536

Kshirsagar N, Kumar V.
Indian J Pharmacol. 2011 Sep;43(5):489-91. doi: 10.4103/0253-7613.84946.
PMID: 22021987

Tandon R.
Natl Med J India. 1993 Jan-Feb;6(1):49.
PMID: 8453368
Free Article

Hawkins BA.
Nature. 1999 Aug 05;400(6744):498. doi: 10.1038/22862.
PMID: 10448846