When it comes to air travel with fountain pens, I can think of 4 pens that have shut-off valves: Conid, Visconti power vac, Opus 88, vintage Onoto De La Rue with plunger-filler. I don't own the first 3 so have no first-hand experience of how air travel friendly they are (I nev...
Air bubbles in insulin pens. Lancet. 1989;334(8667):871.Dejgaard A & CMurmann (1989) Air bubbles in insulin pens. The Lancet: Vol 334. No 8667. 871.Chantelau E, Heinemann L, Ross D.Air bubbles in insulin pens [letter]. Lancet. 1989:2;387-388....