TY - RPRT TI - Lamellar germ cell processes: structures for possible interaction between germs cells and Sertoli cells during spermatogonial differentiation and early meiotic prophase. AU - N M Ulvik PY - 1984 DO - 10.1111/j.1365-2605.1984.tb00768.x UR - https://pubmed.ncbi.nlm.nih.gov/6724723/ ID - 6724723 ER -