resistant strain/amn

61.   Women who take them continuously also risk developing resistant strains that cannot be killed by any medicine.

a. + strain >>共 554 个
new 9.00%
back 4.36%
financial 3.51%
different 3.07%
abdominal 2.74%
same 2.58%
resistant 2.46%
drug-resistant 2.30%
lower 2.10%
repetitive 1.98%
resistant + n. >>共 108 个
strain 20.27%
bacterium 10.96%
virus 6.98%
variety 4.65%
form 3.65%
infection 2.66%
bug 2.33%
microbe 2.33%
insect 1.99%
crop 1.66%
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