31.   His adolescence and young manhood had occurred in a vacuum.

32.   However, latencies were faster for subordinate clauses when they occurred in sentence final position rather than sentence initial position.

33.   Hypokalemia and metabolic alkalosis occur together in states of mineralocorticoid excess, with diuretic therapy or abuse, and in vomiting.

34.   I think the same process occurs in the repetitive rhythm of slow long-distance running.

35.   If in C a unit occurs at a position x, it can not be removed by a similar transformation.

36.   If no major disorders had occurred in the next few years, those plans and preparations would probably have been forgotten.

37.   In acid-base disorders, the compensatory changes occur in the component that is not the original cause of the imbalance.

38.   In addition to these signs of affective psychosis Kempe also showed features of schizophrenia, notably hallucinations, occurring in several modalities.

39.   In nephrite it occurs exclusively as ferrous and in jadeite as ferric oxide.