611.013 C280 v.13 Wislocki, George Bernays, 1892- ... Further experimental studies on fetal ab- sorption. III. The behavior of the fetal membranes and placenta of the guinea-pig toward trypan blue injected into maternal blood-stream. IV, The behavior of the placenta and fetal membranes of the rabbit toward trypan blue injected into the maternal blood-stream. By George B. Wislocki (In Carnegie institution of Washington. Con- tributions to embryology. Washington, 1921. 29x 23 cm. vol. XIII, p 89-101. col. pi.) (Continua en la ficha 2)