instruction:
In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.
question:
La espectrometría de masas se combina con la cromatografía para generar una herramienta analítica muy poderosa. En lo que se refiere a la espectrometría de masas (MS), se puede decir que
answer:
Mass spectrometry is combined with chromatography to generate a very powerful analytical tool. With regard to mass spectrometry (MS), it can be said that


question:
Unen a las células epiteliales entre sí
answer:
They join the epithelial cells to each other


question:
Ante un paciente con enfermedad de Crohn que va a comenzar tratamiento con terapia biológica antiTNF (anticuerpos anti factor de necrosis tumoral alfa), ¿cuál de las siguientes pruebas diagnósticas no es necesaria antes de iniciar dicha terapia?
answer:

In the presence of a patient with Crohn's disease who is going to start treatment with biological anti-TNF therapy (antibodies against tumor necrosis factor alpha), which of the following diagnostic tests is not necessary before initiating such therapy?