1. Histone methylation and acetylation in ejaculated human sperm: effects of swim-up and smoking 
Seul Ki Kim, M.D., Byung Chul Jee, M.D., Ph.D., Seok Hyun Kim, M.D., Ph.D. 
Fertility and Sterility 
Volume 103, Issue 6, Pages (June 2015)
DOI: /j.fertnstert
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
A representative microphotograph showing ejaculated sperm immunostained by fluorescent antibody for 8-hydroxy-2′-deoxyguanosine (A) and by fluorescent antibody for 5-methylcytosine (B) (×400). Thick arrows indicate positive staining. Counterstaining was performed using a mounting medium with 4′,6-diamidino-2-phenylindole (DAPI).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions