AU - Schulman S TI - TIme and the nervous system PT - JOUR DP - 1989 TA - JAMA pages = {2615}, VI - 262 IP - 18 AID - 10.1001/jama.1989.03430180161056 [doi] 4100 - http://dx.doi.org/10.1001/jama.1989.03430180161056 SO - JAMA November 10, 1989 262(18):2615