ring.id = 236921 filter.purchasability = all handl.landing.page = https://caretutor.org/course-type/infection-prevention-control/feed handl.original.ref = https://caretutor.org/course-type/infection-prevention-control/feed handl.ip = 18.117.11.119 handl.ref = https://caretutor.org/course-type/infection-prevention-control/feed handl.url = https://caretutor.org/course-type/infection-prevention-control/feed/ organic.source = https://caretutor.org/course-type/infection-prevention-control/feed user.agent = Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) HandLtestDomainNameServer = HandLtestDomainValueServer page.num = 1
SELECT DISTINCT(ci.sub_id_fk) AS sub_id FROM catalog_item AS ci INNER JOIN catalog AS c ON ci.cat_id_fk=c.cat_id INNER JOIN hasring AS hr ON ci.sub_id_fk=hr.sub_id_fk INNER JOIN rings AS r ON hr.rings_fk=r.rings_id WHERE r.rings_id = 236921 AND c.free = 1 LIMIT 50
//zinc12.docking.org/results/combination?ring.id=236921&filter.purchasability=all