31. The causative organisms are mostly anaerobic bacteria, particularly Fusobacteria and Spirocaete species. 32. Mongolian are examples of languages with the causative voice. 33. Neisser was also the co-discoverer of the causative agent of leprosy. 34. Staphylococcus is the most usual causative organism for an infection after facelift surgery. 35. This latter group can be said to undergo change into a causative verb. 36. In 1892 he isolated what he thought was the causative agent of influenza. 37. Likewise, time is not necessary for a causative relationship between two things. 38. An bonus-malus system, penalising the causative agent for delays caused. 39. There are four known loci for ADNFLE, three with known causative genes. 40. Bacteria classified as Mycobacteria, include the causative agents for tuberculosis and leprosy.
