van Niekerk Ch

发表

Progesterone concentration in the peripheral plasma of the mare during the oestrous cycle and early pregnancy.

van Niekerk Ch, Morgenthal Jc, Sanders Cp, 1973 .

Fetal loss and the effect of stress on plasma progestagen levels in pregnant Thoroughbred mares.

van Niekerk Ch, Morgenthal Jc, 1982 .

Early embryonic development in the horse.

Allen Wr, van Niekerk Ch, 1975 .

Relationship between the morphology of and progesterone production by the corpus luteum of the mare.

van Niekerk Ch, Morgenthal Jc, Gerneke Wh, 1975 .

Anatomical and histological observations on the reproductive tract of mares with abnormal oestrous cycles.

van Niekerk Ch, Gerneke Wh, van Heerden Js, 1973 .

Involution of the post partum uterus of the ewe.

van Niekerk Ch, Belonje Pc, van Wyk Lc, 1972 .

Intestinal parasitic infestation in urban and rural Xhosa children. A comparative study.

Weinberg Eg, Shore Sc, van Niekerk Ch, 1979 .

The house-dust mite and childhood asthma in the Cape Peninsula.

Weinberg Eg, Shore Sc, van Niekerk Ch, 1977 .

[Positive serological tests for syphilis in black primary school children in Bloemfontein: a pilot study].

J. vandenEnde, van Niekerk Ch, van Niekerk Lc, 1985 .

Progesterone treatment of mares with abnormal oestrous cycles early in the breeding season.

van Niekerk Ch, Coubrough Ri, Doms Hw, 1973 .