与"first generation IUD"相近的词条

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• first forbidden beta transition
• first fraction of distillate
• first generation
• First generation cephalosporin
• first generation instrument
• first generation IUD
• first generation kit、first-generation kit
• first generation redia
• first generation sporocyst
• first grade prize
• first half of QRS complex
• first harmacopoeia in ancient China
• first harmonic
• first harmonic Fourier anaylsis
• first heart sound
• first-hundred-day infant cough

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