This work was presented in part at the 74th Annual Meeting of the American Society for Clinical Investigation, 8 May 1982. Address reprint requests to Dr. Marshall. Received for publication 23 March 1982 and in revised form 22 July 1982. jections. Administration of estrogen after the first GnRH injection inhibited gonadotropin responses, whereas later estrogen therapy (after 1 d of GnRH pulses)...

Between 1957 and 1982, water flooding was conducted to improve petroleum production in the Cogdell oil field north of Snyder, TX, and a contemporary analysis concluded this induced earthquakes that occurred between 1975 and 1982. The National Earthquake Information Center detected no further activity between 1983 and 2005, but between 2006 and 2011 reported 18 earthquakes having magnitudes 3 an...

OBJECTIVE To assess the intergenerational repetition of breastfeeding duration in a cohort of adolescent mothers who had been prospectively followed up since birth. METHODS All hospital births occurred in Pelotas (N=5,914), a Southern Brazilian city, in 1982 were studied prospectively. The cohort was visited in 1984 and 1986, and information on feeding practices was gathered. In 2001, a searc...

A 23-year-old woman with myasthenia gravis underwent thymectomy in September, 1975 by a trans-sternal approach for the removal of an hyperplastic gland. Surgical intervention was followed by marked improvement of her symptoms. Five years later, symptoms recurred. In March, 1982 diagnostic pneumomediastinum disclosed an anterosuperior mediastinal mass which, on excision, proved to be an hyperpla...

We test the hypothesis that in an economic recovery, unionization negatively affects job creation. We examine state-level job growth following two recent recessions, those with troughs in November 1982 and March 1991. In the five years following the troughs, we assess whether variations across states in union membership and right-to-work laws affect the rate of job growth. We find evidence that...