User contributions for Yasin1977
From WikiLectures
2 December 2011
- 18:3518:35, 2 December 2011 diff hist +2,328 N WikiLectures talk:Contacts Created page with "{{Under construction}} Description of Waves, Intervals and Segments [edit] P Wave P wave should be always before QRS complex, separated by PQ interval. P wave is a sign of norma..."
