Ornamental plant production can cause the contamination of the environment with fertilizer
and pesticide residues. This has already led to first regulations by the European Community …

1. A method is described by which changes in the intensity of light transmitted through, or
reflected from the skin are graphically recorded. This record, combined with a continuous …

The acute and chronic toxicity of Phthiocol, 2-methyl-1,4-naphthoquinone and vitamin K 1
was studied in mice, rats, and chicks. The oral LD 50 in mice was found to be approximately …

Among the antibiotic agents with high chemotherapeutic activity streptomycin (1, 2, 3, 4, 5, 6,
7, 8) has recently attracted considerable attention. This is due not only to its effectiveness …

1. The acute, peroral, intraperitoneal and intravenous toxicity of tyrothricin, gramicidin and
tyrocidine was determined in mice and rats. None of the compounds was toxic when given by …

1. A method for the recording of the work-performance of swimming rats is described. This
method permits the discovery of minor impairments in the physical fitness of these animals …

This valuable review is divisible into three parts. The first is a general discussion of pharmacological
knowledge of antibiotics, in which it is emphasized that much existing information is …

agent has advanced to a position second only to that of penicillin. With the difficulty of large
volume production already overcome and ample supplies freely available, it is safe to predict …

1. In oral toxicity experiments the ld 50 of sulfanilamide (suspended in gum acacia) was 4.8
grams per kilogram in mice, 6.2 grams per kilogram in rats and 3 grams per kilogram in …

The aim of the present study was to determine the significance of different SEP techniques
and parameters in clinical evaluation of cases of lumbar and cervical root lesions and …