1. Poor Laboratory Air Quality and Its Impact on Early Embryo Development
E.M. Munch, A.E. Sparks, B.J. Van Voorhis, E.H. Duran 
Fertility and Sterility 
Volume 101, Issue 2, (February 2014)
DOI: /j.fertnstert
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2. Figure 1 Fertilization Rate in Fresh Cycles.
Fertility and Sterility  , DOI: ( /j.fertnstert )
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3. Figure 2 Cleavage Rate in All Cycles.
Fertility and Sterility  , DOI: ( /j.fertnstert )
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