What does ZSRAS stand for?

com Table 1 Number of Hits for Major Anxiety Instruments in PsycINFO (2000-2005) Rank Order f Beck Anxiety Inventory 148 Anxiety Sensitivity Index 125 Children's Manifest Anxiety Scale 80 State-Trait Anxiety Inventory- Children 78 Hamilton Anxiety Rating Scale 66 State-Trait Anxiety Inventory-Adults 55 Penn State Worry Questionnaire 51 Fear Survey Schedule 45 Test Anxiety Inventory 19 Taylor Manifest Anxiety Inventory 18 Worry Domains Questionnaire 16 Zung Self-Rating Anxiety Scale 14 Depression-Anxiety Stress Scale 12 Thought Control Questionnaire 10 Endler Multidimensional Anxiety Scales 7 IPAT Anxiety Scale 6 Anxiety Control Questionnaire 6 Mood and Anxiety Symptom Questionnaire 5 Health Anxiety Questionnaire 5