Relation of serum vitamin B12 level to premature ejaculation

Authors

1 Dermatology department, Faculty of Medicine Cairo University

2 Dermatology, STDs and andrology department, Faculty of Medicine Fayoum University

3 Clinical Pathology department, Faculty of Medicine, Zagazig University

4 professor of Dermatology, STDs and andrology department, Faculty of Medicine Fayoum University.