50 Chapter 2 73 (Beclomet?ason? or budesonide or fluticason? or momet?ason? or triamcinol* or ciclesonid*).kw. (5436) 74 (Beclomet?ason? or budesonide or fluticason? or momet?ason? or triamcinol* or ciclesonid*).rn. (49143) 75 exp corticosteroid/ (856535) 76 intranasal drug administration/ (13407) 77 exp corticosteroid/na [Intranasal Drug Administration] (835) 78 75 and 76 (2043) 79 66 or 67 or 68 or 69 or 70 or 71 or 72 or 73 or 74 or 77 (63676) 80 exp histamine H1 receptor antagonist/ (143232) 81 (anti?histamin* or mepyramin* or pyrilamin* or antazolin* or di??enhydramin* or carbinoxamin* or doxylamin* or clemastin* or dimenhydrinat* or pheniramin* or chlorphenamin*).tw. (25809) 82 (chlorpheniramin* or brompheniramin* or triprolidin* or hydroxyzin* or promet?azin* or cyproheptadin* or azatadin* or ketotifen* or acrivastin*).tw. (11037) 83 (cetirizin* or loratadin* or mizolastin* or fexofenadin* or levocetirizin* or desloratadin*).tw. (5491) 84 (anti?histamin* or mepyramin* or pyrilamin* or antazolin* or di??enhydramin* or carbinoxamin* or doxylamin* or clemastin* or dimenhydrinat* or pheniramin* or chlorphenamin*).kw. (3044) 85 (chlorpheniramin* or brompheniramin* or triprolidin* or hydroxyzin* or promet?azin* or cyproheptadin* or azatadin* or ketotifen* or acrivastin*).kw. (1528) 86 (cetirizin* or loratadin* or mizolastin* or fexofenadin* or levocetirizin* or desloratadin*).kw. (1755) 87 (azelastin* or levocabastin* or olopatadin*).tw. (1789) 88 (azelastin* or levocabastin* or olopatadin*).kw. (531) 89 (azelastin* or levocabastin* or olopatadin*).kw. (531) 90 or/80-89 (153881) 91 (prevent* or avoid* or develop* or reduc* or sanit*).tw. (9207236) 92 (prevent* or avoid* or develop* or reduc* or sanit*).kw. (271937) 93 13 and (91 or 92) and 26 and 79 and 52 (176) 94 13 and (91 or 92) and 26 and 79 (1036) 95 *allergic rhinitis/ or *perennial rhinitis/ or *pollen allergy/ (19329) 96 (rhinitis adj3 (allerg* or perennial or nonseasonal or season*)).ti. (11794) 97 ((hay adj fever) or pollinosis or nasal allerg* or nose allerg*).ti. (2657) 98 3 or 5 or 95 or 96 (23243) 99 3 or 5 or 95 or 96 or 97 (24366) 100 99 and 13 and (91 or 92) and 26 (2678) 101 100 (2678) 102 limit 100 to yr="1998 -Current" (2227) 103 102 and 79 and 52 (33) 104 102 and 90 and 52 (67) 105 13 and (91 or 92) and 102 and 52 (293) 106 13 and (91 or 92) and 102 and 52 (293) 107 (prognos$ or outcome$ or follow-up or predict$).tw,sh. (5411531) 108 prognosis/ or disease course/ or "prediction and forecasting"/ (945583) 109 ((clinical or natural$ or disease$) adj (progress$ or course$ or histor$)).tw,sh. (352853) 110 time factor/ (24394) 111 107 or 108 or 109 or 110 (5809609) 112 cohort analysis/ (431437) 113 (cohort$ or compar$ or longitudinal$ or prospective$ or multivariate or reproducib$).tw,sh. (8244231) 114 112 or 113 (8244231) 115 (112 or 113) and 111 (2671922) 116 6 and 26 and 115 (4026) 117 116 (4026) 118 limit 116 to yr="1998 -Current" (3818) 119 99 and 116 (1865) 120 118 and 99 (1750) 121 (prognos$ or outcome$ or follow-up or predict$).ti. (1074486)
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