Smith LD, Ecker RE (1971. június 1.). „The interaction of steroids with Rana pipiens Oocytes in the induction of maturation”. Developmental Biology25 (2), 232–47. o. DOI:10.1016/0012-1606(71)90029-7. PMID5562852.
Masui Y, Markert CL (1971. június 1.). „Cytoplasmic control of nuclear behavior during meiotic maturation of frog oocytes”. The Journal of Experimental Zoology177 (2), 129–45. o. DOI:10.1002/jez.1401770202. PMID5106340.
nih.gov
pubmed.ncbi.nlm.nih.gov
Smith LD, Ecker RE (1971. június 1.). „The interaction of steroids with Rana pipiens Oocytes in the induction of maturation”. Developmental Biology25 (2), 232–47. o. DOI:10.1016/0012-1606(71)90029-7. PMID5562852.
Masui Y, Markert CL (1971. június 1.). „Cytoplasmic control of nuclear behavior during meiotic maturation of frog oocytes”. The Journal of Experimental Zoology177 (2), 129–45. o. DOI:10.1002/jez.1401770202. PMID5106340.