Which scientific supply retailer was the first to introduce the 'one-stop shop' model for laboratory equipment in the 1970s, fundamentally changing how research institutions purchase supplies?

In the specialized world of scientific retail, certain companies have revolutionized how researchers and institutions access crucial equipment and materials. This poll tests your knowledge about the transformation of scientific retail markets and the companies that shaped modern laboratory supply chains. Do you know which pioneering retailer changed the scientific marketplace forever?

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Fisher Scientific (now part of Thermo Fisher)
VWR International (now part of Avantor)
Sigma-Aldrich (now part of Merck KGaA)
BD Biosciences