TY - RPRT TI - Repeated superovulation in calves. AU - H Onuma AU - J Hahn AU - R R Maurer AU - R H Foote PY - 1969 DO - 10.2527/jas1969.285634x UR - https://pubmed.ncbi.nlm.nih.gov/5391009/ ID - 5391009 ER -