Phlebotomy Tube Collection /Additive Explanation

[@yoselinemadrigal]

Thank you so much! This video helped tremendously, it really helped clear up a lot of my questions!!

[@m0hamedebrahim221]

Thanks this video is good

[@rehanahmed9185]

Thank you very much professor Kelly,, you have made such a simple and easy to understand video 🌹🙏

[@MarwaQasem-t9o]

Thank you so much Professor Kelly,

[@ТатьянаАгеева-б6х]

Professor Kelly is great teacher 🎉