A rapid, simple, and humane method for submandibular bleeding of mice using a lancet
William T. Golde, Peter Gollobin & Luis L. Rodriguez

Methods of Blood Collection in the Mouse
Janet Hoff, LVT, RLATG

A Good Practice Guide to the Administration of Substances and Removal of Blood, Including Routes and Volumes 
Karl-Heinz Diehl, Robin Hull, David Morton, Rudolf Pfister, Yvon Rabemampianina, David Smith, Jean-Marc Vidal and Cor van de Vorstenbosch

Gingival Vein Punction: A New Simple Technique for Drug Administration or Blood Sampling in Rats and Mice
Daniel Teixeira de Oliveira, Eduardo Souza-Silva & Carlos Rogério Tonussi