TETRACYCLINE is a new broad-spectrum antibiotic derived from the catalytic dehydrogenation of chlortetracycline. 1,2 Chemically, it is similar to its analogues chlortetracycline and ...

Directed by The Motorcycle Diaries and Central Station's Walter Salles, Brazil's entry in the Best International Feature Film race — as well as a welcome but unexpected nominee for Best Picture ...

Penicillin was discovered in 1928 and has been used to treat various infections since the 1940s. Amoxicillin is a semi-synthetic penicillin that became available in 1972. Amoxicillin and penicillin ...

The intramuscular injection of 1,200,000 units of benzathine penicillin in 40 children convalescent from rheumatic fever was followed by systemic reactions evidenced by fever (12.5 per cent ...