the tobacco problem: what do you think? - part 21 of 28. presents historical perspective and timely data on the smoking habit and health risks. although ad campaigns continue to glamorize smoking, researchers demonstrate that heavy smoking now is known to - 肺氣腫 個影片檔及 b 捲影像00:35
the tobacco problem: what do you think? - part 20 of 28. presents historical perspective and timely data on the smoking habit and health risks. although ad campaigns continue to glamorize smoking, researchers demonstrate that heavy smoking now is known to - 肺氣腫 個影片檔及 b 捲影像00:30
the tobacco problem: what do you think? - part 18 of 28. presents historical perspective and timely data on the smoking habit and health risks. although ad campaigns continue to glamorize smoking, researchers demonstrate that heavy smoking now is known to - 肺氣腫 個影片檔及 b 捲影像00:36
the tobacco problem: what do you think? - part 17 of 28. presents historical perspective and timely data on the smoking habit and health risks. although ad campaigns continue to glamorize smoking, researchers demonstrate that heavy smoking now is known to - 肺氣腫 個影片檔及 b 捲影像00:32吸煙
close up of young asian woman doctors medical results during consultation with female patient sick with cancer in health clinic. - 肺氣腫 個影片檔及 b 捲影像00:14
close up of young asian woman doctors medical results during consultation with female patient sick with cancer in health clinic. - 肺氣腫 個影片檔及 b 捲影像00:15
san francisco environment; usa: california: san francisco:intcs sign at radio station `on air'lights flashing on control deskmike savage wearing... - 肺氣腫 個影片檔及 b 捲影像02:47
doctor doing lung volume test on disabled patient. using data analysis technology for pulmonary function for optimal blood oxygen levels. hospital medical professional examining woman in wheelchair - 肺氣腫 個影片檔及 b 捲影像00:12
medics wearing a protective suit and looking ct examination image and talking with patient - 肺氣腫 個影片檔及 b 捲影像00:29
digital visualization of a man's chest x-ray. digital scanning of the human body with visualization of the lungs, skeleton and skin in the form of an x-ray - 肺氣腫 個影片檔及 b 捲影像00:24人體構造
