%0 Clinical Trial %T Regular penis-root masturbation, a novel behavioral therapy in the treatment of primary premature ejaculation. %A Ma GC %A Zou ZJ %A Lai YF %A Zhang X %A Zhang Y %J Asian J Androl %V 21 %N 6 %D Nov-Dec 2019 %M 31115366 %F 3.054 %R 10.4103/aja.aja_34_19 %X