PM - 'Pill on a string' detects early cancer - ÃÛÑ¿´«Ã½ Sounds

PM - 'Pill on a string' detects early cancer - ÃÛÑ¿´«Ã½ Sounds
'Pill on a string' detects early cancer
Cancer prevention expert explains how the 'pill on a string' detects oesophageal cancer