TY - JOUR T1 - No change in sex ratio in Ramsar (north of Iran) with high background of radiation JF - Occupational and Environmental Medicine JO - Occup Environ Med SP - 146 LP - 147 DO - 10.1136/oem.60.2.146-a VL - 60 IS - 2 AU - M Saadat Y1 - 2003/02/01 UR - http://oem.bmj.com/content/60/2/146.2.abstract N2 - A few areas of the world show high levels of natural radiation, and one of these areas is located in Iran. Ramsar is a northern coastal town situated in the Caspian littoral (in Mazandaran province, Iran) on the slopes of the Alborz mountain range, and surrounded by forests. It is situated at 49° 40′ eastern longitude and 36° 53′ northern latitude. The area is rich with mineral springs. Investigations into the amount of radium-226 in water started more than 30 years ago.1 It has been reported that … ER -