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Lawrence N, Rietschel RL, Butcher RB 2nd.Lawrence N, et al. Among authors: rietschel rl.Laryngoscope. 1990 Dec;100(12):1323-5. doi: 10.1288/00005537-199012000-00015.Laryngoscope. 1990.PMID: 2243527
Rietschel RL, Cooper ES.Rietschel RL, et al.Ann N Y Acad Sci. 1991 Dec 30;636:400-2. doi: 10.1111/j.1749-6632.1991.tb33478.x.Ann N Y Acad Sci. 1991.PMID: 1793227No abstract available.