Coring in Rubber Stoppers

The impact of needle size and angle on rubber coring after multiple puncturing of multi-dose propofol vial rubber stoppers - ScienceDirect

Coring and Fragmentation of a Rubber Stopper - West

Coring in Rubber Stoppers

Figure 2 from The incidence of coring with blunt versus sharp needles.

Rubber Stopper｜Products

What is a Rubber Stopper?

Occurrence of coring after needle insertion through a rubber stopper: study with prednisolone acetate

What is the difference between a coring and a non-coring needle? - Quora

Product: Zefon CORING ARM, 5 EXTENSION, BULK SAMPLER from Environmental Express

Forney CMT Equipment, Stopper for 1000 ml Filter Flask - #8

Vial coring and fragmentation incidence after angled penetration of rubber stoppers with single-use hypodermic needles

Vial Coring Prevention Needle Technique Nursing Skill Medication Administration