Any type of blood draw would be affected by Warfarin.
Explanation:
Warfarin is a blood thinner, usually used to prevent blood clots in veins and arteries. Any type of cut, or puncture from a needle (to draw blood), would make the patient bleed more than normal, and it would be difficult to stop.
Launching children means when your first child leaves home and ends with a "empty nest".................. Developing adult relationships with your children is a key of a stage.