Inoculation of pigs against <em>Trichinella spiralis</em>, using larval excretory-secretory antigens (Publications)
Pigs were inoculated with Trichinella spiralis excretory-secretory products derived from short-term in vitro maintenance of infective muscle larvae. Intraperitoneal administration of excretory-secreto
Health-related effects of repetitive activities (Publications)
Two hundred workers of the Swiss watch industry were examined in a study of repetitive work effects on the well-being of workers. Repetitive work has shown to have two main influences on well-being: R
Breast feeding money in Switzerland (Publications)
A mailed questionnaire was sent to all sickness-insurances on the subject of breast-feeding premium. 52% of the insurances replied, representing 90% of all insured persons. In 1976 23% of the mothers