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(Texas snakeroot) and in Chinese herbs such as Aristolochia fangchi and Aristolochia mandshurensis (banned in China and withdrawn from Chinese Pharmacopoea 2005; Stephania tetrandra and Magnolia officinalis do not contain aristolochic acid).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 in the United States. Tires were the first item to be rationed by the OPA, which ordered the temporary end of sales on 11 December 1941 while it created 7,500 unpaid, volunteer three-person tire ration boards around the country. By 5 January 1942 the boards were ready.