Articles New methods of drug delivery R LangerDepartment of Chemical Engineering, Massachusetts Institute of Technology, Cambridge 02139. See allHide authors and affiliations Science 28 Sep 1990:Vol. 249, Issue 4976, pp. 1527-1533DOI: 10.1126/science.2218494 R Langer Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF Article Information vol. 249 no. 4976 1527-1533 DOI: https://doi.org/10.1126/science.2218494 PubMed: 2218494 Published By: American Association for the Advancement of Science Print ISSN: 0036-8075 Online ISSN: 1095-9203 History: . Copyright & Usage: © 1990 Author Information R LangerDepartment of Chemical Engineering, Massachusetts Institute of Technology, Cambridge 02139. Altmetric Article usage Article lifetimeLast 6 monthsThis monthArticle usage: April 2006 to February 2021 AbstractFullPdf Apr 2006503 May 20062005 Jun 20062403 Jul 20066100 Aug 20066602 Sep 2006154012 Oct 2006170010 Nov 200617406 Dec 200610208 Jan 200714305 Feb 2007173112 Mar 2007206013 Apr 2007175010 May 200797013 Jun 200797010 Jul 200710407 Aug 2007107018 Sep 2007122011 Oct 2007139023 Nov 2007291218 Dec 2007370315 Jan 2008391123 Feb 2008517018 Mar 2008464032 Apr 2008434426 May 2008360121 Jun 2008317018 Jul 2008460030 Aug 2008405221 Sep 2008490025 Oct 2008561029 Nov 2008632041 Dec 2008653028 Jan 2009726022 Feb 2009771032 Mar 2009956038 Apr 2009727022 May 2009610027 Jun 2009497024 Jul 2009498017 Aug 2009449015 Sep 2009585019 Oct 2009752047 Nov 2009727046 Dec 2009511027 Jan 2010513023 Feb 2010509037 Mar 2010730030 Apr 2010698036 May 2010523030 Jun 2010434035 Jul 2010421020 Aug 2010480024 Sep 2010558032 Oct 2010705036 Nov 2010662039 Dec 2010580024 Jan 2011651033 Feb 2011723036 Mar 2011815339 Apr 2011598438 May 2011513430 Jun 2011598147 Jul 2011579044 Aug 2011608041 Sep 2011711051 Oct 2011780495 Nov 2011876133 Dec 2011533290 Jan 2012569047 Feb 2012730028 Mar 2012901057 Apr 2012799051 May 2012721053 Jun 2012525026 Jul 2012561033 Aug 2012527034 Sep 2012569036 Oct 2012398021 Nov 2012381037 Dec 2012191018 Jan 2013330128 Feb 2013206032 Mar 2013400133 Apr 2013626026 May 2013513039 Jun 2013404025 Jul 2013154011 Aug 2013223019 Sep 2013226019 Oct 2013363028 Nov 2013314016 Dec 201327409 Jan 2014285016 Feb 2014254021 Mar 2014323025 Apr 2014319021 May 2014211014 Jun 201415105 Jul 2014139016 Aug 2014140018 Sep 2014214027 Oct 2014243022 Nov 2014226016 Dec 2014218014 Jan 2015211022 Feb 2015602048 Mar 2015650029 Apr 2015605042 May 2015587050 Jun 2015222039 Jul 2015151017 Aug 2015128019 Sep 20151540499 Oct 2015231028 Nov 2015167018 Dec 201514606 Jan 201610209 Feb 20169707 Mar 2016112011 Apr 2016159015 May 2016168021 Jun 2016122017 Jul 201677015 Aug 2016107010 Sep 20168205 Oct 2016103017 Nov 2016155018 Dec 201682015 Jan 201791014 Feb 201791023 Mar 2017133016 Apr 201782013 May 2017103018 Jun 2017139020 Jul 2017170019 Aug 2017158019 Sep 2017133017 Oct 2017132025 Nov 2017146026 Dec 2017169024 Jan 2018180032 Feb 2018410055 Mar 2018397047 Apr 2018352066 May 2018374059 Jun 2018210028 Jul 2018247048 Aug 2018249035 Sep 2018265026 Oct 2018334060 Nov 2018356042 Dec 2018230027 Jan 2019268042 Feb 2019254047 Mar 2019342038 Apr 2019402076 May 2019292039 Jun 2019283033 Jul 2019253036 Aug 2019258041 Sep 2019257025 Oct 2019284030 Nov 2019251014 Dec 2019185013 Jan 2020213028 Feb 2020177022 Mar 2020240040 Apr 2020240032 May 2020218023 Jun 2020161024 Jul 2020184021 Aug 2020164015 Sep 2020408048 Oct 2020249027 Nov 2020347033 Dec 2020364052 Jan 2021426050 Feb 2021426020 View Abstract
Science Vol 249, Issue 497628 September 1990 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)