The reproductive processes of the male frog, Rana pipiens

[21] MICHAEL M, 1937, SCHWEIZ MED WOCHENSC, V67, P757

[22] NEUMANN E, 1875, ARCH MIKROSK ANAT, V11, P371

[23] Noble G. K., 1931, BIOL AMPHIBIA

[24] NUSSBAUM N, 1880, ANURAN ZOOL ANZ, V67, P514

[25] NUSSBAUM N, 1886, ARCH MIKROSK ANAT, V27, P442

[26] PLOETZ AJ, 1890, ARCH ANAT PHYS S BD

[27] PONSE K., 1927, REV SUISSE ZOOL, V34, P217

[28] ROTH A, 1864, SCHWEIZ GESELLE HEIL, V3, P1

[29] Rugh R, 1937, P SOC EXP BIOL MED, V36, P418

[30] Ovulation in the frog I Pituitary relations in induced ovulations [J]. JOURNAL OF EXPERIMENTAL ZOOLOGY, 1935, 71 : 149 - 162

[21] MICHAEL M, 1937, SCHWEIZ MED WOCHENSC, V67, P757

[22] NEUMANN E, 1875, ARCH MIKROSK ANAT, V11, P371

[23] Noble G. K., 1931, BIOL AMPHIBIA

[24] NUSSBAUM N, 1880, ANURAN ZOOL ANZ, V67, P514

[25] NUSSBAUM N, 1886, ARCH MIKROSK ANAT, V27, P442

[26] PLOETZ AJ, 1890, ARCH ANAT PHYS S BD

[27] PONSE K., 1927, REV SUISSE ZOOL, V34, P217

[28] ROTH A, 1864, SCHWEIZ GESELLE HEIL, V3, P1

[29] Rugh R, 1937, P SOC EXP BIOL MED, V36, P418

[30] Ovulation in the frog I Pituitary relations in induced ovulations [J]. JOURNAL OF EXPERIMENTAL ZOOLOGY, 1935, 71 : 149 - 162