Latest papers

History of the development and evolution of local anesthesia since the coca leaf.

Bolivia and USA wage war on the coca leaf farmers.

Coca-killing controversy.

Focused microwave-assisted extraction of cocaine and benzoylecgonine from coca leaves.

Attitudes and values of Peruvian coca growers.

Coca chewing in prehistoric coastal Peru: dental evidence.

Changes in cocaine use as viewed by key informants: a qualitative study carried out in 1994 and 1999 in São Paulo, Brazil.

Leaves and needles: the introduction of surgical local anesthesia.

Plan Colombia--parallels drawn with Vietnam war.

The 'African enigma' - another explanation.

Tracing the geographical origin of cocaine.

Coca leaf chewing as therapy for cocaine maintenance.

[Local anesthetics from ester to isomer].

[Consumption of licit and illicit drugs in Chile: results of the 1998 study and comparison with the 1994 and 1996 studies]

N-methylputrescine oxidation during cocaine biosynthesis: study of prochiral methylene hydrogen discrimination using the remote isotope method.

Environmental casualties of the war on drugs.

International traffic in coca through the early 20th century.

Therapeutic uses for cocaine: a historical review.

Fluid regulatory hormone response to exercise after coca-induced body fluid shifts.

A study of the chemical composition of Erythroxylum coca var. coca leaves collected in two ecological regions of Bolivia.