@article{rampacek_schwartz_fellows_robison_ulberg_1976, title={INITIATION OF REPRODUCTIVE FUNCTION AND SUBSEQUENT ACTIVITY OF CORPORA-LUTEA IN PREPUBERAL GILTS}, volume={42}, ISSN={["1525-3163"]}, DOI={10.2527/jas1976.424881x}, number={4}, journal={JOURNAL OF ANIMAL SCIENCE}, author={RAMPACEK, GB and SCHWARTZ, FL and FELLOWS, RE and ROBISON, OW and ULBERG, LC}, year={1976}, pages={881–887} }