by Kim, J.W, Kwak, I.P, Han, J.E, Won, H.J, Yoon, T.K, Lee, W.S
Published in Fertility and sterility (01.09.2012)

by Choi, K.H, Lee, J.H, Yang, Y.H, Kwak, I.P, Han, J.E, Lee, D.R
Published in Fertility and sterility (2010)

by Kim, A, Eunmi, C, Seok, H.H, Kwak, I.P, Cho, J.H, Yoon, T.K
Published in Fertility and sterility (2009)

by Kim, T.H, Cha, S.K, Choi, K.H, Kwak, I.P, Han, J.E, Yoon, T.K
Published in Fertility and sterility (01.09.2008)

by Cho, S., Cha, D.H., Chang, J.B., Lee, C.N., Kwak, I.P., Lee, S.H.
Published in Fertility and sterility (01.09.2006)

by Cho, S., Cha, D.H., Chang, J.B., Lee, C.N., Kwak, I.P., Lee, S.H.
Published in Fertility and sterility (2006)

by Yoon, T.K., Cha, S.K., Sohn, J.O., Lee, D.R., Kwak, I.P., Cha, K.Y.
Published in Fertility and sterility (01.09.2005)

by Cho, S.W., Lee, S.H., Ahn, S.Y., Kwak, I.P., Cho, J.H., Cha, K.Y.
Published in Fertility and sterility (01.09.2005)

by Lee, S.-H., Park, S.E., Jeong, H.J., Kwak, I.P., Kim, T., Cha, K.Y.
Published in Fertility and sterility (01.09.2004)

by Kim, E.K, Roh, M.K, Shim, S.W, Oum, K.B, Kwak, I.P, Ko, J.J
Published in Fertility and sterility (01.09.2000)

by Han, J.H, Lee, S.H, Cho, S.W, Lee, S.M, Kwak, I.P, Cha, K.Y
Published in Fertility and sterility (01.09.2000)

by Lee, S.H, Lee, E.J, Oum, K.B, Chung, H.M, Kwak, I.P, Cha, K.Y
Published in Fertility and sterility (01.09.2000)

by Lee, S.H, Kwak, I.P, Han, S.Y, Han, J.H, Park, S.E, Kim, N.K, Chung, H.M, Cha, K.Y
Published in Fertility and sterility (1997)