Aristolochia serpentaria (Virginia snakeroot), Aristolochia reticulata (Texas snakeroot) and in Chinese herbs such as Aristolochia fangchi and Aristolochia mandshurensis (banned in China and withdrawn from Chinese Pharmacopoea 2005; Stephania tetrandra and Magnolia officinalis do not contain aristolochic acid).
age-based rationing. Age-Based Rationing. A proposed form of rationing publicly-funded health care services, in which limits would be placed on the type and amount of such services that would be freely available to persons above a certain age.
Rationing worked by each family having to register with a shop and the shopkeeper was issued with enough food for the people on his list only. In January 1940, butter, sugar and bacon were rationed. This list was added to : meat in general, cheese, fresh eggs, jam, tea, breakfast cereals and milk soon followed.