J. Morgenthal

The effect of an induced copper deficiency on the total plasma copper and unconjugated plasma progesterone concentrations during the oestrous cycle of the ewe

C. V. Niekerk, F. Niekerk, J. Morgenthal, 1988 .

Hormone levels in peripheral plasma of the Afrikaner cow II. Progesterone and total unconjugated oestrogen levels during late gestation and parturition

C. V. Niekerk, J. Morgenthal, W. Coetzer, 1978 .

Completed pregnancy following vascularized heterotopic autotransplantation of the Fallopian tube in the ewe.

B. M. Cohen, V. Harrison, C. V. van Niekerk, 1976, International journal of fertility.

Hormone levels in peripheral plasma of the Afrikaner cow I. Progesterone and luteinizing hormone levels during the oestrous cycle

C. V. Niekerk, J. V. D. Westhuysen, J. Morgenthal, 1978 .

Puberteit en testisgroei in Karakoelramme gebore gedurende verskillende seisoene

F. Burger, J. Morgenthal, A. Faure, 1987 .

Hormone levels in the peripheral blood of the Afrikaner cow III Progesterone levels during the post partum period

C. V. Niekerk, J. Morgenthal, W. Coetzer, 1978 .

Time of ovulation in the Karakul ewe following synchronization of oestrus

C. V. Niekerk, J. Morgenthal, D. Boshoff, 1973 .

Oestrous synchronization in cattle using progesterone and a PGF analogue

C. V. Niekerk, P. Belonje, J. Morgenthal, 1974 .

Pregnancy after autotransplantation of the Fallopian tube in the ewe.

B. M. Cohen, V. Harrison, C. V. van Niekerk, 1976, South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.

An investigation into the feasibility of culturing rat embryos in media derived from sheep serum

J. Morgenthal, J. M. Burgman, 1994 .