Laudanum and concentrated versions. For example, in 1915, Frank S. Betz Co., a medical supply company in Hammond, Indiana, advertised Tincture of Opium, U.S.P., for $2.90 per lb., Tincture of Opium Camphorated, U.S.P, for 85 cents per lb., and Tincture of Opium Deodorized, for $2.85 per lb. Four versions of opium as a fluid extract were also offered: (1) Opium, Concentrated (assayed) "For making Tincture Opii (Laudanum) U.S.P. Four times the strength of the regular U.S.P." tincture, for $9.35 per pint; (2) Opium, Camphorated Conc. "1 oz. making 8 ozs. Tr. Opii Camphorated U.S.P (Paregoric)" for $2.00 per pint; (3) Opium,
Ethnoveterinary medicine in future may be increasingly linked to discussions and research on ecosystem health. EVM is now increasingly integrated into "participatory epidemiology" which seeks to improve epidemiological surveillance in remote areas and encourage community participation in disease control (Mathias, 2004). EVM is also studied to provide solutions to diseases in which antigen variation has made vaccination unrealistic and drug resistant strains to Western medicines have become prevalent (Atawodi, 2002). The ethnovet.com website is no longer associated with Dr. Cheryl Lans and no longer has content relevant to ethnoveterinary medicine. Ethnoveterinary medicine Ethnoveterinary medicine (EVM) considers that traditional practices of veterinary medicine