00405nam a2200157Ia 4500008004100000020001500041082001600056100002100072245002600093250000600119260005200125300000800177650001800185650001800203653002600221170901s1984    xx            000 0 und d  a0030635063  a574.3bB88D  aBrowder, Leon W. 0aDevelopmental Biology  a2  aPhiladelphiabSaunders College Publishingc1984  a748  aLife sciences  aPure Sciences  aDevelopmental biology