1. The nature of the earliest spontaneous activity of the chick embryo;Alconero;J. Embryol. Exp. Morphol.,1965
2. Sensitivity of chick embryo to various solvents used in egg injection studies;Ameenuddin,1984
3. Evidence of single dose opioid dependence in 12- to 14-day-old chicken embryos;Bronson;Pharmacol. Biochem. Behav.,1989
4. Profile of opioid withdrawal in newly hatched chicks. Problems of drug dependence;Bronson;NIDA Research Monograph Series 95,1989
5. Cocaine use in pregnancy;Chasnoff;N. Engl. J. Med.,1985