Title:Tests de precipitinas y relaciones serológicas entre especies del género Lepidobatrachus Budgett (Anura, Ceratophrynidae) / Precipitin tests and serological relationships among species of the genus Lepidobatrachus Budgett (Anura, Ceratophrynidae)
Title:Structure and pharmacological actions of phyllocaerulein, a caerulein-like nonapeptide: its occurrence in extracts of the skin of Phyllomedusa sauvagei and related Phyllomedusa species