title: Letter to the Editor "Radiation and environmental biophysics" Authors' response to comments by Scherb et al. (REBS-D-15-00121) on "Sex ratio at birth: scenario from normal- and high-level natural radiation areas of Kerala coast in Southwest India" REBS 54:453-463 (2015).
authors.affiliation: Low Level Radiation Research Laboratory, Low Level Radiation Research Section, Bio-Science Group, Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Beach Road, Kollam, 691 001, India. pkmkoya@yahoo.com.
authors.forename: P K M
authors.identifier: http://orcid.org/0000-0002-8596-1235
authors.initials: PK
authors.lastname: Koya
authors.affiliation: Low Level Radiation Research Laboratory, Low Level Radiation Research Section, Bio-Science Group, Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Beach Road, Kollam, 691 001, India.
authors.forename: G
authors.initials: G
authors.lastname: Jaikrishan
authors.affiliation: Low Level Radiation Research Laboratory, Low Level Radiation Research Section, Bio-Science Group, Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Beach Road, Kollam, 691 001, India.
authors.forename: K R
authors.initials: KR
authors.lastname: Sudheer
authors.affiliation: Low Level Radiation Research Laboratory, Low Level Radiation Research Section, Bio-Science Group, Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Beach Road, Kollam, 691 001, India.
authors.forename: V J
authors.initials: VJ
authors.lastname: Andrews
authors.affiliation: Department of Paediatrics, Victoria Hospital, Kollam, 691 001, India.
authors.forename: M
authors.initials: M
authors.lastname: Madhusoodhanan
authors.affiliation: Directorate of Health Services, Thiruvananthapuram, 695 035, India.
authors.forename: C K
authors.initials: CK
authors.lastname: Jagadeesan
authors.affiliation: Low Level Radiation Research Section, Bio-Science Group, Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India.
authors.forename: Birajalaxmi
authors.initials: B
authors.lastname: Das
mesh_terms: D000016:Abnormalities, Radiation-Induced / Q000453:epidemiology*; D001417:Background Radiation; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects / Q000453:epidemiology*; D011829:Radiation Dosage; D000069079:Radiation Exposure / Q000706:statistics & numerical data*; D012744:Sex Ratio