six children die from invasive streptococcus a as cases rise across the uk; england:intdr simon clarke interview via internet sot - 鏈球菌 個影片檔及 b 捲影像00:14
six children die from invasive streptococcus a as cases rise across the uk; england: london:intcolin brown interview sot - 鏈球菌 個影片檔及 b 捲影像00:20
six children die from invasive streptococcus a as cases rise across the uk; england: london: ealing: st john's primary school:extschool buildingsign... - 鏈球菌 個影片檔及 b 捲影像00:15
six children die from invasive streptococcus a as cases rise across the uk; england: london: ealing: extvarious shots of st john's primary school - 鏈球菌 個影片檔及 b 捲影像00:37
health: germs and the space visitors - part 10 of 20. investigates the effects of germs and the body's defenses against them in a story involving gleek and double gleek, visitors from space and two earth boys. the gleeks use their gleekoscope to show how - 鏈球菌 個影片檔及 b 捲影像00:32
asian chinese dentist giving anaesthetic injection on young chinese boy patient tooth - 鏈球菌 個影片檔及 b 捲影像00:22
asian chinese dentist giving anaesthetic injection on young chinese boy patient tooth - 鏈球菌 個影片檔及 b 捲影像00:21
asian chinese dentist giving anaesthetic injection on young chinese boy patient tooth - 鏈球菌 個影片檔及 b 捲影像00:13
close up dentist giving anaesthetic injection on young chinese boy patient tooth - 鏈球菌 個影片檔及 b 捲影像00:17
close up asian chinese dentist examine young boy teeth with angled mirror in dentist office - 鏈球菌 個影片檔及 b 捲影像00:18
close up asian chinese dentist examine young boy teeth with angled mirror in dentist office - 鏈球菌 個影片檔及 b 捲影像00:16
close up asian chinese dentist examine young boy teeth with angled mirror in dentist office - 鏈球菌 個影片檔及 b 捲影像00:09
close up asian chinese female patient open mouth for dentist examining her tooth routine check up - 鏈球菌 個影片檔及 b 捲影像00:11
boris johnson press conference; part 1 of 10india: new delhi:int boris johnson mp speech sot.- good afternoon,before turning to the topic of visit we... - 鏈球菌 個影片檔及 b 捲影像04:15
plaque-forming bacteria, coloured scanning electron micrograph (sem). dental plaque is a biofilm of bacteria that forms on teeth. - 鏈球菌 個影片檔及 b 捲影像00:22
close up: teenage girl patient sitting on dental unit, opening her mouth with fear and worry for asian mid-woman dentist doing dental examination and dental filling by using angled mirror, saliva suction and other dental equipment - 鏈球菌 個影片檔及 b 捲影像00:08
beautiful caucasian teenager girl holding her cheek because having toothache and so much pain, front view portrait on blue background - 鏈球菌 個影片檔及 b 捲影像00:08
mother applying lotion to daughter. the rash usually appears on toddler girl. allergy red cheek in a child - 鏈球菌 個影片檔及 b 捲影像00:08抓癢
close-up baby face having rash usually appears on toddler girl. allergy red cheek in a child - 鏈球菌 個影片檔及 b 捲影像00:17
the rash usually appears on toddler girl leg and body . allergy red cheek in a child - 鏈球菌 個影片檔及 b 捲影像00:08抓癢
jackson longan has had a fear of the dentist since the tender age of eight, but thirty years later, he's worked up the courage to face the drill once... - 鏈球菌 個影片檔及 b 捲影像01:58
